Students in two of Mr. Lewis's classes are given a test to assess their knowledge of world geography. Then, students in one of the classes participate in Mr. Lewis's new interactive geography learning modules. Students in the other class learn geography using the traditional lecture method. After three months, all students once again take a test to assess their knowledge of world geography. What
kind of design did Mr. Lewis use?
a. single-group pretest-posttest
b. non-equivalent control group pretest-posttest
c. multiple-group time-series design
d. single-group time-series design
b
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A researcher is investigating the effects of caffeine consumption on student writing performance. Because the researcher will evaluate both the speed of assignment completion and the number of grammatical errors, she will need to include more than one ____________ variable in her study
a. independent b. dependent c. confounding d. extraneous
Which married couple is most likely to get divorced?
a. Pierre and Christine, who are from South Africa b. Junko and Katja, who are Ukranian c. Beavis and Madonna, who are American d. Rosina and Carmelo, who are French
Watson's famous conditioning experiment involved a ______
a. dog b. child c. chicken d. dove
Tenderness, companionship, and acceptance are psychological needs that are typical of different stages of childhood according to
A) Anna Freud. B) Harry Stack Sullivan. C) Lev Vygotsky. D) Erik Erikson.