If research participants are assessed with a particular questionnaire early in a study, but the researchers change the questions for later assessment so participants can't simply repeat answers,
what potential thread to internal validity would be at work here?
a. instrumentation.
b. testing.
c. selection.
d. history.
a
You might also like to view...
In order for the distribution of sample means to be normal, it must be based on samples of at least n = 30 scores
Indicate whether the statement is true or false
One major weakness of flooding therapy is
a. low acceptability. b. unpredictable effects. c. unreliable efficacy. d. narrow range of applications.
When Candy is driving on her own, she usually drives the speed limit. However, when she gets on a freeway with lots of other drivers around she tends to drive faster. The increase in Candy's driving speed when other drivers are present is consistent with the concept of:
a. groupthink b. social facilitation c. a self-serving bias d. reciprocity
Ursula has developed a firm conscience, displays empathy, behaves responsibly, plays fairly in games, and is exceptionally considerate of other's welfare. Ursula's mother probably used __________ as her primary form of discipline
A) positive discipline B) time out C) corporal punishment D) withdrawal of privileges