Why Do Experimenters Use a Control (Or Comparison) Group as Well

question 151

Essay

Why do experimenters use a control (or comparison) group as well as an experimental group?

Understand the concept of temperament and its classifications.

Comprehend the role of genetics and environment in determining temperament.

Identify the dimensions of temperamental variation and their significance.

Recognize the importance of temperament in infancy and early development.

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Definitions:

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Empiricism

The theory that knowledge comes primarily from sensory experience and that scientific methods should rely on observation and experimentation.

Variable

Something in the world that can vary and that a researcher can manipulate (change), measure (evaluate), or both.

Social Psychology

The scientific study of how individuals think, feel, and behave in a social context, encompassing a broad range of topics such as attitudes, group behavior, and social perception.