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Research Methods II - Test #1
General Introduction, Overview of the Scientific Method, & Ethical Issues in Conducting Research
40
Psychology
Undergraduate 3
02/12/2013

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Term
The Scientific Method
Definition
  • An abstract concept that refers to the ways in which quetions are asked and the logic and methods used to gain answers.
  • Two important aspects:
    1. reliance on an empirical approach
    2. the skeptical attitude adopted by scientists
  • a general aproach to gaining knowledging, not a particular tool
Term
Empirical Approach
Definition
  • Emphasizes diret observation and experimentation as a way of answering questions
  • considered the most important charactertistic of the scientific method
  • psychologist focus on behaviors and experiences that can be observed directly
Term
Zeitgeist
Definition
The spirit of the times
Term

Ethnocentrism

Definition
  • occurs when we attempt to understand the behavior of individuals in a different culture through the framework or views of our own culture
  • a potential problem in research
  • an attempt to understand the behavior of individuals in different cultures based solely on experiences in one's own culture
Term
Hypothesis
Definition
  • a tentative explanation for a phenomenon
  • a prediction with an explanation
  • often stated in the form of a prediction for some outcome, along with an explantion for the prediction
  • If/Then statements
  • example: participants WHO DO/DID independent variable ARE/IS predicated to have a/an effect on dependent variable BECAUSE of this.
Term
Multimethod Approach
Definition
  • searching for an answer using vairous research methodologies and measures of behavior
  • leads to a more complete understanding
  • most questions are best served not by using only one method, but using multiple methods
  • No single metohd can answer all the quesitons that we can - all have + and -
Term
Control
Definition
  • the essential ingredient of science, distinguishing it from nonscientific procedures
Term
Experiment
Definition
  • scientists manipulate one or more factors and observe the effects of this manipulation on behavior
Term
Independent Variable
Definition
  • the factors that the researcher controls or manipulates in order to determine their effect on behavior
  • variable manipulated by experimenter
  • Minimum of two levels (treatment/experimental and the control group)
Term
Dependent Variable
Definition
  • the measures of bheavior that are used to assess the effect (if any) of the independent variable
  • measure of behavior used to assess the effect of the IV
  • DEPENDS on the IV
Term
Construct
Definition
  • a concept or idea; examples include: intelligence, depression, aggression, memor
  • Operational definitions are needed – allows for clear communication
  • Advantages: Define constructs & allow for clear communication
  • Disadvantages: There are a limitless number. Only good for a very specific context for a very specific group of individuals. And they become meaningless when taken out of the context in which they were developed
Term
Operational Definition
Definition
  • explains a concept solely in terms of the observable procedures used to produce and measure it
  • Clear Definitions: is intelligence defined as a score on an exam or how fast a difficult puzzle is solved
  • Specific: has to be clear enough that other scientists can understand the definition and in turn replicate the experiment.
Term
Characteristics of an Instrument
Definition
  • accuracy: the difference between what an instrument says is true and what is known to be true
  • calibrating: accuracy is determined using calibration, or checking it with another instrument known to be true.
  • precision: measuresments can be made in varying levels of precision. 
Term
Validity
Definition
  • the "truthfulness" of a measure
  • measures what it claims to measure
Term
Reliability
Definition
  • indicated by its consistency
  • Several kinds such as instrument and observation.
Term
Correlation
Definition
  • when two different measures of the same people, events, or things vary together
  • positive = co-vary in the same direction. As one goes up, the other goes up. As one goes down, the other goes down.
  • negative = co-vary in opposite directions. As one goes up, the other goes down. As one goes down, the other goes up.
Term
Causal Inference
Definition
  • Covariation of events: is there a correlation?
  • A time-order relationship: did the iv come before the dv?
  • The elimination of plausible alternative causes - are there confounding variables?
Term
Confounding
Definition
  • occurs when two potentially effective independent variables are allowed to covary simultaneously
  • impossible to determine what variable is responsible for any obtained difference in performance
  • WHY CONTROL IS IMPORTANT
Term
Applied Research
Definition
  • research on creating change
  • psychologists conduct research in order to change people's lives for the better
  • research aimed to change people's lives in "real-world" or natural setting
Term
Basic Research
Definition
  • researchers seek primarily to understand behavior andmental processses
  • "seeking knowledge for its own sake"
  • typically carried out in a laboratory setting with the goal of testing a theory about a phenomenon
  • research to understand bheavior in laboratory setting
Term
Theory
Definition
  • A logically organized set of propositions (claims, statements, assertions) that serves to define events (concepts), describe relationships among these events, and explain the occurance of these events
Term
Risk/Benefit Ratio
Definition
  • "Is it worth it?" - do the benefits outweigh the risks? by how much? HAS TO BE STRONG YES.
  • Subjective evaluation - not one answer, different perspectives might have different answers. Not based on facts, but opinions.
  • Weight costs and benefits of a research project for EACH of the following: Participants, society, researcher, insitituion. 
  • Asks: Is it worth it? Do the benefits outweigh Risks? Will the study produce valid results?
Term
Minimal Risk
Definition
  • the harm or discomfort the participants may experience in the research is not greater than what they might experience in their daily lives or during routine physical or psychological tests.
Term
Informed Consent
Definition
  • a person's explicity expressed willingness to participate in a research project based on a clear understanding of the nature of the research, of the consequences for not participanting, and of all factors that might be expected to influence that person's willingness to participate. 
Term
Privacy
Definition
  • refers to the rights of individuals to decide how information about them is to be communicated to others
Term
Deception
Definition
  • can occur either through omission (the withholding of information) or commission (intentionally misinforming participants about an aspect of the research.
Term
Debriefing
Definition
  • becomes more important when deception is involved
  • Discuss misconceptions - why you did the deception, what the reason was behind it.
  • What is the Goal of Debriefing? 
    1. leave participant with good feeling about research experience
    2. talk about research from participant's perspective
Term
Plagiarism
Definition
  • taking credit for anyone else's work or ideas
  • When you present a substantial portions or elements of antoher's work as your own. What is substantial portion? - it can be anywhere from 2 words to a whole paper
  • Ignorance is not an excuse
Term
The Historical Development of Scientific Psychology
Definition
  • an empirical approach was critical for developing the science of psychology
  • computer revolution = key factor in cognition
  • debate over whether or not psychology should be more closely afflicated with physical sciences or philosophy
Term
Social & Cultural Context of Research
Definition
  • influences researchers' choice of topics, society's acceptance of findings, and the locations in which research takes place
  • Ethnocentrism
  • Zeitgeist
  • Research has an affect and is affected by society
  • Affect what and how
  • Whose culture is having - and whose culture should have - an influence
Term
Moral Context of Research
Definition
  • demands that researchers maintain the highest standards of ethical behavior
  • APA code of ethics guides research and helps researchers to evaluate ethical dilemmas
  • Activities that constitute violations of scientific integrity: fabrication of data, plagiarism, selective reporting of research findings, failure to acknowledge individual who made significant contributions to the research, misuse of research funds, and unethical treatment of humans or animals. 
Term
Analogy of Legal System and Scientific Research
Definition
  • Decisions are based on evidence - scietntists are like lawyers or judges in that they make decisions based on the evidence
    • little evidence = suspicion (1 study)
    • lots of evidence = conviction (multiple studies/universities/researchers)
    • Stronger Evicen = more confident about results
Term
Steps of the Research Process
Definition
  • What should I study
  • How do you develop a hypothesis - previous knowledge; literature review; previous research
  • Which approach should be used to study research question - multimethod
Term
How to tell if you have a good research question
Definition
  •  Can it be tested?
  • Will it be beneficial?
  • Will it get funded?
  • Could I develop it in a way in which others would be able to replicate it?
  • Can I conduct this study in a scientific manner?
  • Is it scientifically important?
  • Will anyone be interested (including you)?
  • Is this study original or redundant?
Term
Concepts
Definition
  • Nonscientific - ambiguous, unclear, no operational definitions
  • Scientific - clear definitions; specific.
Term
The 4 Goals of the Scientific Method
Definition
  • Description: define events & their relationships. Quantitative (statistical) or Qualitative (verbal)
  • Prediction: predict relationships among variables; correlations
  • Explanation: Casual Inference; Generalization
  • Application: apply knowledge to improve people's lives; applied vs. basic
Term
Five Principles for Ethical Conduct from APA
Definition
  1. Beneficence & non-maleficent (benefits; doesn't harm)
  2. Fidelity & Responsibility (trust; aware of responsiiblities to society & specific communities)
  3. Integrity (Accuracy, Honesty, & Truthfulness)
  4. Justice (equal access to research & results)
  5. Respect for People's Rights & Dignity (respect dignity & worth; Rights to privacy, confidentiality, and self determination)
Term
Institutional Review Board (IRB)
Definition
  • Protects rights of participants
  • Committee members:
    • @ least 5 members
    • @ least 1 outside member
    • @ least 1 scientist
    • @ least 1 non scientist
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