A Solomon four-group design is ________________.
a. type of experimental design that considers the impact of several independent variables simultaneously
b. an experimental design that has random assignment, a control group, and a pretest and posttest for each group
c. an experimental design used to examine whether the order of sequence in which subjects receive multiple versions of the treatment has an effect
d. an experimental design in which subjects are randomly assigned to two control groups and two experimental groups
e. an experimental design that has all the parts of the classical design except a pretest
Question 2
What was not a suggestion on questionnaire wording and construction?
a. avoid biased or leading questions
b. avoid double barreled questions
c. avoid sensitive questions
d. avoid vague wording