All of the following are part of the criteria for establishing a causal relationship except
a. two variables must be correlated.
b. all possible contaminating factors must be taken into account.
c. there must be a positive correlation between two variables.
d. a change in the independent variable must occur before a change in the dependent variable can occur.
e. it must be established that the cause occurs prior to the effect
C
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Among the labor immigrations have been:
a. Mexicans b. Jews c. English d. Native Hawaiians
Sometimes a correlation coefficient is used to describe the consistency of a measure or test. One way to assess the consistency of a measure is to use it with the same group of people twice. The correlation between the two testings is:
A) correlation matrix B) test–retest reliability C) intrarater reliability D) criterion validity
Data collected from a sample group over several years is called a ________ study
A) cross cultural B) longitudinal C) historical D) content analysis
Improving working conditions and protecting healthcare benefits are the goals of the which of these?
A. U.S. Department of Labor B. American Recovery and Reinvestment Act C. Equal Employment Opportunity Commission D. Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act