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| A set of statistical procedures used to review a body of evidence by combining the results of individual studies to measure the overall reliability and strength of particular effects |
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| Accomplice of an experimenter who,in dealing with the real participants in a experiment, acts as if he or she is also a participant |
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| Experimenter expectancy effects |
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| The effects produced when an experimenter's expectations about the results of an experiment affect his or her behavior toward a participant and thereby influence the participant's response |
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| The degree to which there can be reasonable confidence that the results of a study would be obtained for other people and in other situations |
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| The degree to which there can be reasonable certainty that the independent variables in an experiment caused the effects obtained on the dependent variables |
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| A variable that characterizes pre-existing difference among the participants in a study |
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| In an experiment, a factor that experimenters measure to see if it is affected by the dependent variable |
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| In an experiment, a factor that experimenters maiplulate to see if it affects the dependent variable |
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| A method of assigning participants to the various conditions of an experiment so that each participant in the experiment has an equal chance of being in any of the conditions. |
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| A form of research that can demonstrate causal relationships beucase (1) the experiment has control over the events that occur and (2) participants are randomly assigned to conditions. |
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| A statistical measure of the strength and direction of the association between two variables |
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| Research designed to measure the association between variables that are not manipulated by the researcher |
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| The degree to which different observers agree on their observations |
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| The extent to which the measures used in a study measure the variables they were designed to measure and the manipulations in an experiment manipulate the variables they were designed to manipulate |
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| The specific procedures for manipulating or measuring a conceptual variable. |
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| Research whose goals are to enlarge the understanding of naturally occurring events and to find solutions to practical problems. |
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| Research whose goals are to increase the understanding of human behavior, often by testing hypotheses based on a theory |
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