In His Research on the Effects of Prolonged Exposure to Fear

question 16

Multiple Choice

In his research on the effects of prolonged exposure to fear and anger, what did Hans Selye conclude?

• A) Physical stress only serves to harm the body and does not provide any adaptive function.
• B) That while physical stress harms the body it also has a survival value for humans.
• C) There is a direct relationship between amount of physical stress experienced and length of life.
• D) Exercise can serve to undo the harm that physical stress causes the body.

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Definitions:

Wilcoxon Rank Sum Test

A nonparametric statistical hypothesis test used for comparing two independent samples to assess whether their population mean ranks differ.

Un-standardized Test Statistic

An un-standardized test statistic measures the degree of deviation from the null hypothesis without adjusting for scale or variability in the data.

Standardized Test Statistic

A value calculated from sample data that is used to assess the viability of a null hypothesis in the context of a significance test.

Nonparametric Procedures

Nonparametric procedures are statistical methods that do not assume a specific distribution for the data, often used when the data doesn't meet the assumptions required for parametric tests.