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Psychology Unit 2 - Research Methods / Ethics
Terms in this set (20)
The tendency to believe, after learning an outcome, that one would have foreseen it ("I knew it all along")
Research that attempts to develop new or improved products; undertaken to solve a problem
Pure research that aims to confirm an existing theory or to learn more about a concept or phenomenon
A testable prediction, often implied by a theory; educated guess
The experimental factor that is manipulated; the variable whose effect is being studied.
The variable that is measured in an experiment
A hypothesis that has been tested with a significant amount of data
A relatively small proportion of people who are chosen in a survey so as to be representative of the whole.
A sample that accurately reflects the characteristics of the population as a whole
A technique for choosing participants that ensures that every member of a population has an equal chance of being included in the sample
Separates the population into different subgroups and then samples all of these subgroups
Assigning participants to experimental and control conditions by chance, thus minimizing preexisting differences between those assigned to the different groups
A research strategy in which neither subjects nor experimenters know which subjects are in the experimental or control groups.
An experimental procedure where participants do not know which experimental condition they have been assigned to, but the experimenter does.
Psychological effects of people thinking they took a drug so they think they improve
A correlation where as one variable increases, the other also increases, or as one decreases so does the other. Both variables move in the same direction.
The relationship between two variables in which one variable increases as the other variable decreases
A research technique that questions a sample of people to collect information about their attitudes or behaviors
Observing and recording behavior in naturally occurring situations without trying to manipulate and control the situation
Case Study Method
Research procedure in which a single person or small group is studied in detail. The method does not allow conclusions about cause-and-effect relationships, and findings can be generalized only with great caution
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