Imagine That You Are a Scientist Who Is Examining How

question 7

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Imagine that you are a scientist who is examining how intelligence changes with age.Design both a cross-sectional and a longitudinal study to examine how intelligence changes from young to middle to late adulthood.What results would you expect from each type of study?

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Definitions:

Homeostasis

The maintenance of stable internal conditions within an organism despite changes in external conditions.

Dependent Variables

Variables in scientific experimentation that are affected by independent variables, used to measure the outcome of an experiment.

Independent Variables

Variables in an experiment that are manipulated to observe their effect on the dependent variable.

Appropriate Experimental Data

Data correctly selected or collected to support or refute a hypothesis in an experiment.