A Major Advantage of Randomly Selecting Participants from a Population

question 49

Multiple Choice

A major advantage of randomly selecting participants from a population is that

• A) it allows you to do your study with fewer participants and still find statistical significance in your results.
• B) you can be more confident that it was the manipulation of the independent variable that caused the changes observed in the dependent variable.
• C) you can be more confident that your sample is representative of the population.
• D) it is more likely that your sample will have the characteristics you need it to have.

---

Definitions:

Dependability

The quality of being reliable and trustworthy, often evaluated in the context of individuals' consistency in actions and behaviors.

Humor

The quality of being amusing or entertaining, often resulting from a perception of incongruity or a playful interpretation of a situation.

Gain-Loss Theory

A social psychological theory suggesting that an increase or decrease in the perceived value or approval from others influences attraction and emotional reactions.

Compliment Hypothesis

A proposition suggesting that positive feedback or flattery can enhance the effectiveness of a persuasive message.