One of the chief weaknesses of an ex post facto procedure is that
A) it is only valid in research on children.
B) no dependent variable can be manipulated.
C) the researcher is unable to eliminate rival hypotheses.
D) there are no confounding variables.
Answer: C
Political Science
You might also like to view...
The Constitution sets the number of justices that can serve on the Supreme at one time at _______
A. 7 B. 9 C. Doesn't say D. 11
Political Science
According to the text, the Supplemental Poverty Measure (SPM) accounts for all of the following expenses except ______.
A. childcare B. taxes C. medical expenses D. discretionary expenses
Political Science