Term
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Definition
| all of the individuals in the group to which the study applies |
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Term
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Definition
| physical or psychological treatment given to the control group that resembles the the treatment given to the experimental group, but contains no active ingredient |
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Term
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Definition
| Intensive investigation of the behavior and mental processes associated with a specific person or situation |
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Term
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Definition
| most frequent value in a set of data |
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Term
Mean
(1+2+2+3+4+7+9) / 7 = 4 |
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Definition
| Sum of values of a data set divided by number of values |
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Term
Median
1, 2, 2, 3, 4, 7, 9 |
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Definition
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Middle value separating the greater and lesser halves of a data set |
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Term
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Definition
| the subgroup of the population that participates in the study |
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Term
Hypothesis
If blank, then blank |
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Definition
| prediction of how two or more factors are likely to be related |
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Term
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Definition
| comparison group that doesn't experience the independent variable |
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Term
Single-Blind Procedure
[image] |
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Definition
| research design in which participants don't know if they are the experimental or control group |
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Term
Double-Blind Procedure
[image] |
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Definition
| research design in which neither the experimenter nor the participants know who is the experimental or control group |
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Term
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Definition
| participants' behavior during the course of a study may be related only to the special social situation and social treatment they received |
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Term
Confounding Variables
2,41,42,43,44,100 |
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Definition
an extraneous value that correlates (positively or negatively) with both the dependent variable and the independent variable
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Term
Random Assignment
1,5,6,9,7,2,3,4,6,5 -> 6,3,6 |
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Definition
| division of a sample into groups so that every individual has an equal chance of being put in any group or condition |
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Term
Independent Variable
(Ex: the tv channel) |
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Definition
| the factor the researcher manipulates in a controlled experiment |
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Term
Dependent Variable
(Ex: the grades) |
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Definition
| the behavior or mental process that is measured in an experiment |
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Term
Surveys and Tests
[image] |
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Definition
| Obtain large samples of abilities, beliefs or behaviors at a specific time and place |
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Term
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Definition
| a description of the specific procedure used to determine the present of a variable |
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Term
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Definition
| research method in which a cross-section of the population is chosen and then each cohort is followed for a short time |
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Term
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Definition
| one group is followed and observed for an extended period of time |
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