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Introduction to Research Methods

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Effect of Time in Psychology Research

There are two types of time dimensions that can be used in designing a research study.

  1. Cross-sectional research takes place at a single point in time.
    • All tests, measures, or variables are administered to participants on one occasion.

    • This type of research seeks to gather data on present conditions instead of looking at the effects of a variable over a period of time.

  2. Longitudinal research is a study that takes place over a period of time.
    • Data is first collected at the outset of the study, and may then be gathered repeatedly throughout the length of the study.

    • Some longitudinal studies may occur over a short period of time, such as a few days, while others may take place over a period of decades.

    • The effects of aging are often investigated using longitudinal research.

    Previous | Next: Causal Relationships Between Variables

Kendra Cherry

Kendra Cherry
Psychology Guide

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