Term
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Definition
Disciplined inquiry that involves studying something in a planned manner and reporting it so that other inquirers can potentially replicate the process if they choose |
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Term
What is scientific Method? |
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Definition
-The self-correcting process of finding the truth through a series of objective analyses through constant testing
-alternatives are: personal experience, intuition, authority, tradition, and superstition |
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Term
How is the scientific method different from other ways of knowning |
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Definition
they dont lead to valid knowledge of the world |
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Term
what steps are involved in scientific method |
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Definition
Concepualization: Identify Topic, Review Literature, Pose Research Question
Planning and Designing Research: Operationalize (measure) variables, design valid/reliable/ethical
Methodologies for Conducting Research: collecting data through experiments, surveys etc
Analyzing and Interpreting Data: appropriate statistical procedure, know which way to do the study is best
Reconceptualization: Explain findings, limitations, future directions |
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Term
What are the distinctions between proprietary and scholary research? |
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Definition
Proprietary Research- is for internal purposes by a private company; conducted for a specific audience and is not necessarily shared beyond that audience
Scholarly Research-peer reviewed; shared publically; involves detailed review of literature; advancement of knowledge motive; not profit motive; promote public access to knowledge |
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Term
what are the differences between quantitative and qualitative research? |
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Definition
Quantitative Research
- Also known as empirical or positivists
-reality is objective
-people can be categorized into groups
-generalizable explanations of behaviors
-fixed hypotheses
-surveys, experiments, content analysis
Qualitative Research
-also known as critical or naturalistic
-reality is subjective
-people can’t be categorized into groups -unique explanations of behaviors
-evolving hypotheses
-focus groups, textual analysis, rhetorical criticism |
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Term
What is the definition of a theory? |
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Definition
A theory is simply a generalization about a phenomenon; an explanation of how or why something occurs. It’s a way of making sense of a disturbing situation-Kaplan |
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Term
What is the distinction between basic and applied communication reserach? |
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Definition
Basic Research: increase our knowledge about communication phenomena by testing, refining and elaborating theory; Examples is communication theory; predicts certain outcomes; and excites inquiry;
Applied Research: conducted with the purpose of solving a real world problem; action research; ex. Social justice communication research; journal of applied communication research; used to demonstatrate the relevance of communication knowledge to a particular event |
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Term
How does the importance of theory differ between basic and applied communication research? |
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Definition
In basic research a theory is never complete it keeps wanting to extend beyond a grasp, continually try to describe, explain, understand, predict and control more communication phenomena. (build upon existing theory)
In applied, you are hoping the study yields valid generalizations about, and potential solutions to the problem.(using existing theory to solve problem) |
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Term
What are the 4 primary steps involved in the process of basic communication research? |
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Definition
1. Selection of a research topic
2. The choice of an appropriate theory to help explain important aspects of the research topic. A hypotheses is then derived from the theory and the accuracy of that prediction is tested in a study.
3. Data are collected and analyzed and they are used to gauge the merits of the prediction
If the findings do not support the hypothesis, more research may need to be conducted, the hypothesis needs to be revised and/or the theory may need to be revised or rejected |
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Term
What is a research question? |
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Definition
A research question is a formal question posed to guide research, of this type essentially asks, "what is the nature of communication behavior X" |
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Term
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Definition
Something that varies, is manipulated, controlled and measured, anything that has two or more values to it, & opposite of constant |
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Term
Why can an object not be considered a variable? |
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Definition
-it doesnt var and doesnt have 2 values to it
-it becomes a variable only when it exists in different types or in different ampounds and we understand those different states. |
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Term
Define and give examples of independent and dependent variables |
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Definition
Independent Variables
-controlled by researcher
-intentionally manipulated by researcher
-may be sometimes measured
-cause or predictor or explanatory
-influences the change in another variable
Ex-amount of income
Dependent Variables
-not controlled or manipulated
-always measured
-effect or criterion or outcome variables
-vary in relation to independent variables
Ex-amount of money spent |
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Term
What is meant by the phrase causal relationship? |
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Definition
A causal relationship between variables, believing that changes in the independent variable cause changes in the dependent variable, Ex- smoking cigarettes causes cancer
A non-causal relationship between variables means that the variables are associated or occur together without one necessarily causing changes in the other. Ex: self-disclosure and liking
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Term
what is the distinction between the recursive causal models and non-recursive causal models? |
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Definition
Recursive Causal Models- the causal relationship is one way—one variable influences another but not the other way around, that is one is the cause and one is the effect.
Ex-Gender influences different ways of thinking but different ways of thinking don’t influence gender.
Non-Recursive Causal Models: the causal relationship is reciprocated or two ways in that a variable can be a cause and an effect.
Ex-More drinking may lead to less studying and less studying may lead to more drinking |
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Term
What is the distinction between ordered and nominal variables? |
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Definition
Ordered Variables-can be assigned numerical values that indicate how much of the concept is present. Variables such as age, weight, temperature, number of sexual partners are ordered variables.
Nominal Variables - can be differentiated only on the basis of type. Variables such as gender, race and political affiliation, hair color. (Categorical, Classificatory, Discrete) |
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Term
Explain this "One can transform any ordered variable into nominal variable but no the other way around" |
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Definition
You can turn any ordered variable such as age into a category of young, adult, old but you couldnt take the categories of young, adult, old and put it on a continuum. You cant turn gender a nominal variable into an ordered variable |
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Term
A dichotomous variable is a special type of variable, Explain |
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Definition
A dichotomous variable is one that can only be divided into two categories such as gender; also called binomial variables. Also such as true or false |
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Term
1. What is a hypothesis? What is the distinction between an one tailed (directional) and a two tailed (nondirectional) hypothesis? |
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Definition
Hypothesis is a tentative statement about the relationship between the independent and dependent variable.
A one-tailed hypothesis may predict the nature of the relationship.
Boys eat more than girls.
A two-tailed hypothesis simply predicts a relationship without specifying the nature of it.
The amount that boys eat compared to the amount girls eat varies. |
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Term
How will a research hypothesis generally be phrased when the independent variable is nominal. |
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Definition
When the independent variable is nominal, divided into two categories, the research question asks whether there is a difference between a (the first category) and b (the second category) with respect to c (the dependent variable). Is there a difference between males and females with regard to talkativeness? A hypothesis for a nominal independent variable predicts the nature of the difference between the two or more categories. It will take the form a will be greater on c than b will. Women talk more than women do. |
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Term
How will a research hypothesis generally be phrases when the independent variable is ordered? |
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Definition
When the independent variable is ordered, measured in sequenced numbers, the research question asks whether there is a relationship between x (the independent variable) and y (the dependent variable). Does age affect how much you party? The hypothesis for an ordered independent variable specifies the nature of the relationship between the independent and dependent variable. They can have a positive relationship, or a negative relationship. |
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Term
What is the distinction between positive relationships (direct relationships) versus negative relationships (inverse relationships). |
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Definition
A positive relationship that increases the independent variable is associated with an increase in dependent variable. More calories ate; the more you will weigh
A negative relationship that increases the independent variable is associated with a decreased in a dependent variable. More exercise you do; the less you weigh
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Term
What are the various sections of a typical research paper? What does each section contain? |
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Definition
Titles and Authors
Abstract- summary of whole article; determine relevance;
Introduction- importance of study; answers “so what” question; brief summary of purposes; review of literature; provide theory and prior research; hypotheses and research questions
Method-participants; procedures employed: type of design, steps taken; Measures employed: types of measures, manipulation of variables, reliabilities of measures
Results- Data analysis Type of analyses conducted; Numerical results; Statistical significance: likelihood of chance occurrence; Reference to hypotheses and indication of support or lack of support; Tables and Graphs
Discussion- Brief summary of highlights; Interpretation of results and implications of findings; Limitations of study and suggestions for future research
References
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Term
Scholarly Journals Vs. Popular Magazines |
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Definition
Scholarly Journals
-serious look
-contain graphs, pictures, charts
-written by experts in particular field
-report on original research
-often reviewed
-intended audience is scholars
-experts familiar with the language
-credit given to sources
-published by academic presses
Popular Magazines
-available in many formats
-often attractive in appearance
-contain photos and graphics
-written by journalists; not experts
-intended audience is public
-language is simple
-rarely credit sources
-published by commercial presses
-can be purchased at stores
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Term
How are primary sources different from secondary sources? |
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Definition
Primary Sources-are materials that have not been interpreted by another person; diaries, letters, census data, interviews, surveys, research reports, and scholarly journals.
Secondary Sources- these analyze, critique, report, summarize, interpret, or somehow restructure an original work (primary source). Includes reviews, and encyclopedias, textbooks and mass media such as newspapers, magazines, radio.
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Term
APA style of citing references |
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Definition
Reference List- list in alphabetical order by author’s last name.
Journal Article from database
Borman, W. C., Hanson. M. A., Oppler, S. H, Pulakos, E. D. (1993). Role of early supervisory experience in supervisor performance. Journal of Applied Psychology, 78, 443-449. Retrieved October 23, 2000, from the PsycARTICLES database. |
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Term
Some of the popular databases that help communication reserachers locate scholarly articles |
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Definition
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Term
What is the difference between pearl growing and the building block approaches to locating relevant sources? |
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Definition
building blocks - breaking down thesis into keywords |
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Term
Explain the distinction between an operational and a conceptual definition. |
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Definition
Operational Definition- describes a concept in terms of its observable and measurable characteristics or behaviors, by specifying how the concept can be observed in actual practice. What is love- measured by saying I love you, holding hands, staring, smiling.
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Term
Explain nominal meaurement scale |
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Definition
Nominal Measurement Scales- classify a variable into different categories. The categories on a nominal measurement scale are not arranged in any particular order from highest to lowerst, they just simply represent different categories. Ex-Different colors of cheeses and types |
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Term
What does it mean to say that the categories in a nominal measurement scale must be exhaustive, mutually exclusive and equivilant. |
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Definition
Exhaustive- using every category known, covering every area, use of other, making sure all aspects are covered and all choices are there to choose from.
Exclusive-don’t overlap each other such as types of movies aren’t classified as comedy, romantic comedy, romance, action, horror.
Equivalent- must be equal such as saying favorite shows are comedy, action, half long comedy, and hour long comedy. The half hour and hour long are not equivalent. Comparing apples to
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Term
What is an ordinal mearsurement scale? |
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Definition
Ordinal measurement scales- not only classify a variable into nominal categories but also rank order those categories along some dimension. Ordinal measurement provide more information about a variable than a nominal measurement scale because they transform discrete classifications into ordered classifications. They are limited because they only rank order of a variable along a dimension without telling researchers how much more or less of the variable has been measured.
Ex- Rank five top basketball teams in order of most liked (1) to least liked (5) |
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Term
What is an interval measurement scale? |
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Definition
Interval measurement scales not only categorize a variable and rank order along some dimension but also establish equal distances between each of the adjacent points along the measurement scale. They also include an arbitrary zero point on the scale. Interval scales can have positive or negative values. These provide more information than both nominal and ordered measurements. |
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Term
what is a ratio measurement scale? |
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Definition
Ratio measurement scales not only categorize and rank order of a variable along a scale with equal intervals between adjacent points but also establish an absolute or true zero point where the variable being measured ceases to exist. Ratio measurements are common in the physical sciences but rare in the social sciences. Can’t have negative values. Example are age, weight and height because these can never be zero. |
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Term
Describe likert and semantic differential scales |
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Definition
Likert scales- identify the extent of a person’s beliefs, attitudes or feelings toward some object. The traditional likert scale asks people the extent to which they agree or disagree with a statement by choosing one category on a five point scale that ranges from strongly disagree to strongly agree. EX- watching too much TV makes one lazier.
Semantic Differential scales- were developed to measure the meanings people ascribe to a specific stimulus. These scales present a stimulus item at the top of a list of a 7 point scale representing polar opposites. Most measure three dimensions: evaluation (pleasant-unpleasant), potency (strong-weak), and activity (fast-slow).
Dogs
Pleasant __ __ __ __ __ __ __ Unpleasant
Strong __ __ __ __ __ __ __ Weak
Fast __ __ __ __ __ __ __ Slow |
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Term
What is the difference between a unidimensional and a multidimensional concept? |
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Definition
Unidimensional concepts- are measured by a set of indicators that can be added together equally to derive a single overall score. A scale of such items is called a summated scale.
Ex- ask 17 questions and rank 1-5 strongly agree to strongly disagree then add together to see your score ex-how funny are you
Multidimensional scales- are concepts that incorporate more than one factor and must be measured by more than one scale of items (each set of items is a summated scale that can be added together).
EX- Trustworthiness: agreeable/unagreeable; king/cruel, pleasant/unpleasant, safe/dangerous. And Dynamism: empathetic/hesitant, active/passive, aggressive/meek and bold/timid |
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Term
What is a social desirability bias? What type of measurement method is most susceptible to problems of social desirability? |
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Definition
Social desirability bias- is the tendency for people to answer in socially desirable ways. This potentially compromises the validity of many self-reports; comes from self-reports about controversial or deviant behavior. Ask-how much do you drink; or asks about racist beliefs. |
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Term
What are response sets (response styles)? Explain how using a balanced-scale approach may help to avoid this problem. |
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Definition
Response sets- are the tendency for respondents to answer questions the same way automatically; such as using one side of the scale rather than thinking about each individual question. Researchers use a balanced scale approach meaning they switch or flip the wording of questions likely to elicit positive or negative responses. This forces respondents to react to each individual question. It also helps researchers to catch people who didn’t respond |
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Term
What are obtrusive or nonreactive measures? |
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Definition
Obtrusive measures- are when people don’t know they are being studied
Nonreactive measures- don’t know they are being studied and so they don’t change their behavior to influence a researcher.
EX- going through someone’s trash without them knowing
EX- nonreactive is they don’t know you are studying the tone they use when they talk to their parents. |
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Term
What are three requirements that must exist to infer a causal relationship between variables? |
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Definition
1. The independent variable must precede in time the dependent variable- first expose respondents to independent variable to see how it affects the dependent variable.
2. The independent and dependent variables must covary, must go together in a meaningful way. EX- when it rains in London business groups do good in NYC the next day.
3. The changes observed in the dependent variable must be the result of changes in the independent variable and not some other variable. |
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Term
Explain what is meant by a spurious relationship |
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Definition
Spurious Relationships- are patterns of statistical but meaningless occurrences; also called nonsense correlations. Such relationships are the stock in trade of many hair brained stock market and gambling schemes as well as fringe conspiracy theories.
EX- when it rains I make better smoothies |
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Term
What is a manipulated variable? |
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Definition
Manipulated variable- is when researchers control participant’s exposure to a variable. Exposing one group to an only an hour of TV a day is a manipulated variable to see how it affects sleepiness. |
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Term
Explain the difference between a treatment group and a control group and a comparison group. |
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Definition
Treatment Group-also called the experiment group is the one that receives the manipulated variable
Control Group- the group that doesn’t receive the manipulated variable
Comparison Group-is used in the broad sense to imply any group against which another is compared such as two treatment groups, whereas the control group refers to a no-treatment group. |
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Term
What is random assignment designed to do? |
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Definition
Random assignment means that each research participant has an equal chance of being assigned to any particular condition of an experiment. This gives the best possible assurance that the conditions of an experiment start off equivalent because all the initial differences between people that could potentially threaten the validity of the research findings should be distributed evenly across the conditions. It washes out the initial differences that might make a difference, creating equivalent groups and thereby increasing researchers confidence that any changes in the dependent variable are due to something other than the initial differences between the two conditions, |
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Term
Why does random assignment increase internal validity whereas random sampling increases external validity? |
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Definition
Random Sampling- is concerned with how research participants are selected for a study in the first place and making sure that they represent the population from which they are drawn. Random assignment increases the internal validity by making sure the findings are accurate of those who were studied. Random sampling increases the external validity so that the findings can be generalized to other people, places and times. |
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Term
What are double blind experiments? What are they designed to do?
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Definition
Double blind procedures-ensure that those who administer the different independent variable manipulations and those who receive it do not know which participants are getting what manipulation. They employ an assistant who does not know the purpose of the research. They are trying to control threats such as a participant changing their behavior because they know what exactly they are being observed on. |
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Term
How are full, quasi and pre-experiments different from one another? |
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Definition
Full Experiments-demonstrate the highest degree of control because the independent variable is manipulated by the researcher and research participants are randomly assigned to create two or more equivalent conditions. Note full experiments demand two or more conditions.
Quasi Experiments- either manipulate or observe the independent variable and may have one or more condition. When there are multiple conditions, research participants are not randomly assigned to them. But quasi equivalent conditions are created by using pre-tests to assess whether there are some important initial differences between the conditions, these use multiple pre-tests and post-tests as baseline measures to assess changes within those same participants before and after and experiment treatment. They exercise an amount of control to some degree.
Pre-Experiments: demonstrate the least amount of control. They manipulate or observe the independent variable and may have one or more conditions. When there are multiple conditions research participants are not randomly assigned to them. However, initial differences between the conditions are not assessed by using pre-tests, which means the conditions must be assumed to be non-equivalent. When there is only one condition pre-experiments use a single pre-test at most and therefore do not establish any baseline comparison. These demonstrate little or no control leading to questionable conclusions because of the many threats that jeopardize the internal validity of these experiments. |
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Term
which has the most control over extraneous variables? |
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Definition
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Term
Explain the three types of full experiments. What are the advantages and disadvantages? |
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Definition
1. Pre-test Post Test Design- the traditional full experiment. It randomly assigns research participants to a treatment or control group and administers a pretest and posttest. Because random assignment was used, they can rule out a selection bias. The pre-test is used to check whether the conditions started off equivalent on the dependent variable. This design provides a high degree of confidence that the findings are due to treatment. The pre-test however might desensitize participants to the post test.
PRàTreatmentà PO
PRàNo Treatmentà PO
2. Post Test Only Design- is the same as the previous one except that pre-tests are not used. This is a very powerful design because it not only takes care of the potential selection threat but it also does not risk desensitizing the participants.
3. The Solomon Four-Group Design- literally combines the pretest posttest equivalent group and the posttest only group designs. By combining two designs it first shows whether random assignment worked and produced equivalent conditions on the dependent variable by comparing PR1 and PR 2. Second, it shows whether the pretest desensitized participants to the posttest by comparing PO2 and Po4. Third, assuming sensitization did not occur it reveals whether the pretest combined with the treatment to produce a unique interaction effect that is different from the experiment treatment alone by comparing PO1 and PO3.However this requires twice as many research participants thus is not used too frequently. |
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Term
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Definition
Factorial Design-when there is more than one independent variable studied, the independent variables are called factor and the study is called a factorial design.
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Term
What is a design statement? |
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Definition
A Design Statement- is a series of numbers, one for each independent variable in the study, separated by a multiplication sign. The actual numbers represent the numbes of levels for each independent variable. 2x3 is 2 indepdent variables and 3 conditions |
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Term
What were the key variables of interest in guest lecturer Amanda Martinez’s study? |
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Definition
-attitudes on perceived racial ID of the comedian; humor; offensiveness; sterotypes as damaging; media enjoyment; guilt |
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Term
what kind of experiment did she conduct? |
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Definition
Full experiment
2x2x2 factorial design
-2 levels of comedian
-2 levels of judicial suspect race
-2 levels of participant racial ID |
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Term
What is content analysis? |
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Definition
Content Analysis- objective, systematic and quantitative description of manifest content. Can be applied to texts, televisions, film, ads, radio, stamps, and artifacts. It’s descriptive and not inferential. It helps us make unobtrusive observation in natural settings. Unlike experimental methods, we can’t make conclusions about cause-effect relationships. Use to identify, enumerate and analyze occurrences of specific messages and message characteristics embedded in texts. |
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Term
What is the difference between latent ad manifest content? |
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Definition
latent: harder to code, not obvious
manifest: obvious and more relivant |
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Term
What are some advantages that content analysis offers over other research methods such as experiments and surveys? |
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Definition
1. It is an unobtrusive technique because researchers study texts that already exist rather than asking people to produce texts.
2. It accepts unstructured material which observes categorize.
3. Questionaries’ and interviews often obtain date in settings far from the context in which the communication occurs but context analysts study the data as they appear in context
4. It is able to handle massive amounts of data. |
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Term
How is a unit of analysis different from a sampling unit? |
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Definition
A sampling unit- the population which we choose a sample- could be a newspaper issue or TV program or film
Unit of analysis- there can be many units of analysis in a single study-lead, story, front page, newspaper, film scene, episode of tv show, channel etc. |
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Term
What kind of content did Ms.Katherine Hampsten study? What was her rationale for her choice of content? What were her sampling units and units of analyses? |
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Definition
Her choice of content was food in seventeen magazine because it was over 60 years; always had food in every magazine and had different opinions on it. Used every issue every ten years 1945, 1955 etc.
Interested in age group that views magazine and other experiments that have been done on this same topic |
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Term
What is meant by variables of interest? How does this differe from unit of analysis? |
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Definition
variables of interest: are characteristics such as gender, hair color |
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