In 1960, Only Eight Cases of Dissociative Identity Disorder Had

question 141

Multiple Choice

In 1960, only eight cases of dissociative identity disorder had been reported, but by 1995, ________ cases had been reported in North America alone.

• A) 1000
• B) 30 000
• C) 15 000
• D) 40 000

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Definitions:

T Test

An analytical technique comparing the averages of two groups to ascertain if their differences are statistically significant.

Independent Samples

Two or more groups of samples that are collected from populations that do not overlap, implying no participant appears in more than one group.

Effect Size

A measure that quantifies the strength of the relationship between two variables.

Null Hypothesis

A statement suggesting that there is no significant effect or difference in a given population, serving as a starting assumption for statistical significance testing.