Social Psychologists Seldom Address the Question of External Validity by Conducting

question 49

Multiple Choice

Social psychologists seldom address the question of external validity by conducting their experiments on random samples of people from all over.This is because

• A) human beings are incredibly complex, and social psychologists are content with doing inexact science.
• B) the research methods that social psychologists use cannot be applied to a random sample.
• C) it is difficult and expensive to get a random sample of people to participate in research.
• D) social psychology is poorly funded, and experimenters are forced to do inexpensive research.
• E) experiments capture general psychological processes experienced by people all over.

---

Definitions:

Total Sum

The aggregation of all values or observations in a dataset.

Model Mean Square

In the context of ANOVA, it refers to the mean squared differences between the observed values and the values predicted by the model.

Observations

Data collected through watching, measuring, and recording phenomena as part of a scientific study or research.

Mean Square Error

A metric that measures the average of the squares of the errors—that is, the average squared difference between the estimated values and the actual value.