Jacqueline wanted to assess the reliability of ratings made of children's aggressive behavior so she had two students rate the degree of aggression displayed by each of 50 children while engaged in play.
She then compared the ratings made by these two students and computed the degree of agreement between them. Jacqueline used what method of assessing reliability?
a. split-half reliability
b. interrater reliability
c. internal consistency reliability
d. test-retest reliability
Several recent studies have found that moderate drinkers of alcohol have lowered levels of heart disease risk than non-drinkers.
It has been hypothesized that moderate drinking may reduce stress which in turn may lead to a reduction in the risk of heart disease. In this example lowered stress levels would be considered a(n) __________ variable.
a. independent
b. dependent
c. extraneous
d. mediating
Text appears in all communication media, including
A) books. B) speeches.
C) films. D) All of the above
Eduardo decided to assess the reliability of the carbohydrate craving inventory he constructed. He had constructed two identical versions of the inventory and a group of 50 people took both versions.
Then Eduardo compared the responses of these 50 people on the two versions of the craving inventory for his assessment of the reliability of the inventory. Eduardo used what method to assess reliability?
a. test-retest
b. equivalent forms
c. split-half
d. Cronbach's alpha
A(n) ______________ variable is one that can compete with the independent variable in explaining the outcome of the experiment.
a. independent
b. extraneous
c. dependent
d. moderating
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