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9 Cards in this Set
- Front
- Back
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Scientific method
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A multistep technique that generates empirical knowledge, that is, knowledge derived from systematic observations of the world. There are four steps: observe, detect regularities, generate hypothesis, observe
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Standard deviation
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how much an individual's score differs from the mean
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hypothesis
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Essentially a prediction about the characteristic of the behavior under study. It is expressed in a testable statement
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Operational Definition
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definitions that specify how concepts can be observed and measured
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Dependent variable
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A behavior that is measured or observed in an experiment
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Independent variable
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The aspect of the environment that is manipulated in an experiment. It must consist of at least two condtitions
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Descriptive statistics
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Mathematical techniques that help researchers describe their data
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Inferential statistics
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Mathematical techniques that help researchers decide whether data are representative of a population or whether differences among observations can be attributed to chance
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Negative correlation coefficient
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The two values for the variables move in opposite directions. As one variable increases, the other variable decreases
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