According to the Text, the Most Important Component of an Experiment

question 45

Multiple Choice

According to the text, the most important component of an experiment for giving us confidence that our results are meaningful is

• A) random sampling.
• B) random assignment.
• C) summation notation.
• D) the manipulation of the dependent variable.

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Definitions:

Representative

Serving as a typical example of a group or category of things; in statistics, it refers to a sample that accurately reflects the characteristics of the larger population.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.

Statistical Index

A measure, often numerical, that indicates the relative position or level of a variable within a statistical distribution or dataset.

Two Factors

A psychological theory suggesting that emotion is based on two factors: physiological arousal and cognitive label.