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miskamm [114]
3 years ago
9

Psychologists study some 5-year-old, 7-year-olds, and 9-year-olds. They study the same groups two years later, and again another

two years later. What type of research is this?​
Social Studies
1 answer:
Doss [256]3 years ago
4 0

Answer:

This is a longitudinal research.

Explanation:

Longitudinal research refers to a type of research which takes <em>place over time</em>. It centers on the study of the <em>same variables through time</em> in order to observe the variable's changes.

In this case, psychologist study 5, 7 and 9 year olds and then study them again two years later.

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