Question 1

Nada designs a study in which she has two control and two experimental groups.In the design,one control group and one experimental group receive a pretest each,while the other control group and experimental group do not.Nada's design is an example of a _____ design.

Accepted Answer

A)   four-group pretest-posttest
B)   Solomon four-group
C)   two-group control
D)   one-group control-one-group experimentalE) B) and C)
F) B) and D)

Question 2

Wendy wants to know if a new sports drink improves physical performance.The number of push-ups each participant can complete in one minute is recorded first.The participants are then given eight ounces of the sports drink,and the number of push-ups completed in one minute is recorded again.Wendy finds that the number of push-ups completed is less after consuming the new sports drink.This finding is likely the result of a _____ effect.

Accepted Answer

A)   reactive
B)   practice
C)   fatigue
D)   carryoverE) None of the above
F) B) and C)

Question 3

_____ is a process for controlling order effects with all possible order conditions.

Accepted Answer

A)   Elimination
B)   Randomization
C)   Counterbalancing
D)   Latin squareE) All of the above
F) C) and D)

Question 4

A confounding variable is problematic for an experimental design because it:

Accepted Answer

A)   increases the variability in the data.
B)   increases the internal reactivity of the experiment.
C)   makes possible alternative explanations for the results.
D)   eliminates alternative explanations for the results.E) B) and D)
F) B) and C)

Question 5

Failure to control some extraneous variables is likely to result in a(n) _____ variable.

Accepted Answer

A)   random
B)   confounding
C)   systematic
D)   operationalE) All of the above
F) A) and B)

Exam 8: Experimental Design

Failure to control some extraneous variables is likely to result in a(n) _____ variable.

Correct Answer
verified

A confounding variable is problematic for an experimental design because it:

Correct Answer
verified

_____ is a process for controlling order effects with all possible order conditions.

Correct Answer
verified

Nada designs a study in which she has two control and two experimental groups.In the design,one control group and one experimental group receive a pretest each,while the other control group and experimental group do not.Nada's design is an example of a _____ design.

Correct Answer
verified

Correct Answer
verified

Exam 8: Experimental Design

Failure to control some extraneous variables is likely to result in a(n) _____ variable.

Correct AnswerverifiedShow Answer

A confounding variable is problematic for an experimental design because it:

Correct AnswerverifiedShow Answer

_____ is a process for controlling order effects with all possible order conditions.

Correct AnswerverifiedShow Answer

Nada designs a study in which she has two control and two experimental groups.In the design,one control group and one experimental group receive a pretest each,while the other control group and experimental group do not.Nada's design is an example of a _____ design.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified