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Definition
| an educated guess about the expected outcome of an experiment |
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| a small group used by researchers to conduct a study of a given population |
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Definition
| a study conducted over a number of years |
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Definition
| the type of observation conducted under normal circumstances |
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Definition
| the type of variable that changes in relation to the other variable |
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Definition
| the study group that is exposed to the independent variable |
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Definition
| a measure of how two variables or sets of data relate to each other |
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Definition
| an intensive investigation of one or more participants |
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Definition
| the type of variable that is deliberately manipulated |
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Definition
| the conditions and behaviors in a study that are subject to change |
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Definition
| a fixed set of questions asked of many individuals |
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Definition
| the study group to which the independent variable is not applied |
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Definition
| a situation in which a researcher's expectations influence that person's own behavior, and thereby influence the participant's behavior |
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Definition
| an experiment in which the participants are unaware of which participants received the treatment |
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Definition
| an experiment in which neither the experimenter nor the participants know which participants received which treatment |
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Definition
| a change in a participant's illness or behavior that results from a belief that the treatment will have an effect rather than from the actual treatment |
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