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8 Cards in this Set
- Front
- Back
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INDEPENDENT VARIABLE
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is the one the investigator expects to cause changes in another variable.
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DEPENDENT VARIABLE
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is the one the investigator expects to be influenced by te independent variable.
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RANDOM ASSIGNMENT
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participants to tretment conditions. by using an unbiased procedure, such as drawing numbers out of ahat or flipping a coin, investigators incrase the chances that participant's characteristics will be equally distributed across treatment groups.
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LONGITUDINAL DISIGN
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participants are studied repeatelity at different ages, and changes are noted as the participants mature
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COHORT EFFECTS
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longitudinal studies examine the development of ---children born at the same tie who are influenced by particular cultural and historical conditions. results based on one---may not apply to children developing at other times.
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CROSS-SECTIONAL DESIGN
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groups of people differing in age ar studied at the same point of time.
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LONGITUDINAL0-SEQUENTIAL DESIGN
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researches merge longitudinal and cross-sectional strategies by following a sequence of samples (two or more age groups) over time.
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MICROGENETIC DESIGN
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an adaptation of the longitudinal approach, presents children with a novel task and follows their mastery over a series of closely spaced sessions.
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