What type of design is a pre-post two-group quasi-experimental design structured like a pretest-posttest randomized experiment, but lacks random assignment to groups?
a. non-equivalent groups
b. regression discontinuity
c. proxy-pretest
d. separate pre-post samples
Khler's research on problem solving in chimpanzees
a. involved problems which could be solved in a simple and direct fashion.
b. were analogous to Thorndike's puzzle box experiments.
c. involved problems for which there were no immediately obvious solutions.
d. emphasized its conceptual nature rather than its trial-and-error aspect.
The coefficient of determination is computed by taking the square root of the correlation coefficient.
a. True
b. False
Indicate whether the statement is true or false
One of the most important contributors to the development of quasi-experimental design is ____.
a. Edwin Thurstone
b. Donald T. Campbell
c. R.A. Fisher
d. John Tukey
Which of the following is NOT true of the successful behavior exhibited by Thorndike's cats in escaping from puzzle boxes?
a. It became more systematic with repeated trials.
b. It could initially be described as trial and error learning.
c. It seemed accidental during the first few trials
d. It showed the occurrence of a sudden insight into the solution of the problem.
When the data for a correlational study consists of one or more scores that are not numerical values, the relationship between the variables cannot be evaluated.
a. True
b. False
Indicate whether the statement is true or false
In the proxy-pretest design, the pretest is collected after the program is given.
a. True
b. False
Indicate whether the statement is true or false
Thorndike's puzzle boxes
a. were specially constructed to study problem solving in animals.
b. contained food as positive reinforcement.
c. were mazes that animals traveled through to obtain food.
d. were puzzles which had no solutions.
Because there is a strong positive correlation between depression and risk of divorce, we can conclude that depression causes divorce.
a. True
b. False
Indicate whether the statement is true or false
The regression-discontinuity design is very susceptible to selection bias.
a. True
b. False
Indicate whether the statement is true or false
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