Following the 9/11/2001 Attacks, Among the Sample of Respondents Who

question 91

Multiple Choice

Following the 9/11/2001 attacks, among the sample of respondents who lived closest to the World Trade Center, the prevalence of posttraumatic stress disorder (PTSD) was _________ percent.

• A)5
• B)10
• C)20
• D)25

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Definitions:

Interrater

An assessment of the degree to which different raters or observers give consistent estimates or judgments of the same phenomenon.

Parallel Forms

A method of reliability testing in which different versions of a test are administered to the same individuals at different times to measure consistency between the forms.

Test-Retest

A reliability measure to assess the consistency of a test over time by administering the same test to the same subjects at two different points in time.

Internal Consistency

A measure of the reliability of a psychological test or survey, based on the average correlation between items on the same test.