When participants in one treatment condition have characteristics that are different from the characteristics of participants in another treatment condition, then ____ may be threatened
a. internal validity
b. external validity
c. reliability
d. accuracy
a
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The loss of ability to hear high-pitched, high-frequency sounds is known as __________.
A. presbycusis B. hearing detention C. echolalia D. myopia
When researchers make sure that surveys and questionnaires accurately measure the behaviors of interest, they are evaluating for ______.
A. reliability B. validity C. veracity D. accuracy
Which of the following refers to the procedure whereby those individuals who are most susceptible to contracting certain communicable diseases are administered a vaccine?
A. immunization B. sterilization C. castration D. all of these
Research has shown that some attributional styles can cause depression
Indicate whether the statement is true or false