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| A test that requires people to answer a series of written or oral questions or sometimes both. |
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| Observation of behavior in real world settings with no effort made to manipulate or control the situation |
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| An in depth look at a single individual; also known as a case history (Ghandi) |
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| A research strategy that identifies the relationships between two or more variables in order to describe how these variables change together. |
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| Guidelines for Interpreting Correlational Numbers |
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| The magnitude or a correlation tells us about the strength of the relationship between two variables |
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| The situation where an extraneous variable has not been measured accounts for the relationship between two others. |
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| A special kind of systematic observation that involves obtaining measures of the variables of interest in multiple waves over time. |
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| A carefully regulated procedure in which one or more variables believed to influence the behavior being studied are manipulated while all other variables are held constant |
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| the assignment of participants to research groups by chance |
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| The manipulated experimental factor in an experiment |
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| a factor that can change in an experiment in reponse to changes in the independent variable |
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| a group in the research study whose experience is manipulated |
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| a comparison group that is as much like the experimental group as possible and is treated in every way like the experimental group except for the manipulated factor |
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| the soundness of the conclusions we draw from an experiment |
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| The extent to which an experimental design is representative of the real world issues it is supposed to address |
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| the extent to which changes in the dependent variable are due to the manipulation of the independent variable |
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| The influence of the experimenter's own expectations on the outcome of the research |
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| research participant bias |
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| The influence of research participants' expectations on their behavior within an experiment |
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| A harmless, inert substance that may be given to participants instead of a presumed active agent, such as a drug, and that has no specific physiological effect. |
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| the situation where participants' expectations, rather than the experimental treatment, produce an experimental outcome. |
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| An experiment that is conducted so that neither the experimenter nor the participants are aware of which participants are in the experimental group and which are in the control group until after the results are calculated |
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