When a change in the dependent variable could be due to the researcher's hypothesis or the participant's hypothesis, __________ is a threat to internal validity

a. diffusion of treatments
b. instrumentation
c. placebo effect
d. demand characteristics

D

Political Science

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In a capitalist culture, people have an innate drive to accumulate goods and it is this which drives them to work hard

Indicate whether this statement is true or false.

Political Science

C-SPAN is an example of a cable television outlet that covers mostly __________

a. the White House b. Congress c. the Supreme Court d. Hollywood gossip

Political Science