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| statement that defines the exact operations/method used in research |
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| degree to which data is constant/consistent |
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| degree to which data accurately represents topic being studied |
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| involves intensive examination of some phenomenon in a particular individual,group, or situation |
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| study of relationships between brain activity, thinking, and behavior |
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| examine relationships between variables in order to analyze trends in data, to test predictions, to evaluate theories and test new hypotheses |
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| means 2 variables increase or decrease together |
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| means that the 2 variables move in opposite directions; while one increases, the other decreases |
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| (symbolized r)a statistic measuring the strength and direction of a correlation and can vary from +1.00 to -1.00. |
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| -the only research method that gives enough control to directly test cause-and-effect relationships between variables |
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| variable that the researcher controls, the treatment |
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| variable that the researcher controls, the treatment |
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| variable that the researcher controls, the treatment |
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| variable that the researcher controls, the treatment |
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| variable researcher observes for an effect |
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| receives no treatment (therapy), provides example to base off of |
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| a treatment that contains nothing known to be helpful, but that nevertheless produces benefits because a person believes it will be beneficial |
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| group tied to independent variable |
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| uncontrolled factors such as differences in participants or facilities |
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| used to ensure that the people studied are representative of some larger group |
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| is used to create equivalence among various groups |
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| double blind experiment design |
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| neither participants nor those who deal directly know what group is placebo/control/experimental |
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| process of selecting participants for general experiments, use a random sample representative of entire population |
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| populations that are conveniently available |
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the method most often used to
summarize and analyze data |
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| use mathematical procedures to draw conclusions from data and make inferences as what they mean |
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| use mathematical procedures to draw conclusions from data and make inferences as what they mean |
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| measures of central tendancy |
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| describe the typical vaue in a set of data |
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| halfway point, most often used to represent data |
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| difference between the highest and lowest value |
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| mathematical judgement of the probability that a difference in numbers or a correlation is a real effect, and not due to chance alone |
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| integrated set of tentative explanations of behavior and mental processes. |
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| the process of assessing claims or assertions and making judgments about them on the basis of well-supported evidence. |
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| cheap, easy, but not necessarily the best method since questions can be misleading |
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| measures the average difference between the btwn each score and the mean of the data set |
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| measures the average difference between the btwn each score and the mean of the data set |
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