After Pavlov's dogs became conditioned to salivate at the sound of the bell, he experimented with ringing the bell and then failing to present the dogs with any food right away. Soon they stopped salivating to the sound of the bell
This represents the process called __________
a) acquisition.
b) testing.
c) extinction.
d) spontaneous recovery.
c
Psychology
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To study the effect of daycare programs on academic performance, a researcher follows the same 30 children who did or did not attend daycare programs as they go through kindergarten to sixth grade. Which type of design is the researcher using?
a. Cross-sectional b. Cohort c. Latitudinal d. Longitudinal
Psychology
In manipulating independent variables, which types of variables involve variations in the directions that participants receive prior to the study?
a. Environmental variables b. Instructional variables c. Task or activity variables d. Invasive variables
Psychology