A Program Was Developed to Improve the Health Status of Older

Multiple Choice

A program was developed to improve the health status of older homeless people. In order to determine if the program was effective, the researcher needs to provide evidence of the three criteria required for causation, which are

A) reliability, validity, and control of extraneous factors
B) satisfaction with the program, covariation, and reliability
C) reliability, validity, and temporal ordering
D) temporal ordering, covariation, and satisfaction with the program
E) temporal ordering, covariation, and control of extraneous factors