Author Question: The diagram below represents what type of design? O T O O O a. Factorial design b. Posttest-only ... (Read 71 times)

LCritchfi · **on:** Jul 8, 2018

The diagram below represents what type of design? O T O O O

a. Factorial design
b. Posttest-only design
c. Pretest-posttest control group design
d. Time series design

Question 2

The one-group pretest-posttest design is an example of what type of design?

a. Comparative
b. Descriptive
c. Experimental
d. Quasi-experimental

ASDFGJLO · **Reply #1 on:** Jul 8, 2018

Answer to Question 1

ANS: B
The diagram represents two groups, with one receiving a treatment.
The design does not portray a factorial design. The diagram represents two groups, with one receiving a treatment.
The design does not portray a posttest-only design. The diagram represents two groups, with one receiving a treatment.
A time series design is not represented in this diagram. The diagram represents two groups, with one receiving a treatment.

Answer to Question 2

ANS: D
Quasi-experimental study designs were developed to control as many threats to validity as possible in a situation in which some of the components of true experimental design are lacking.
A comparative design needs two groups.
A descriptive design explores the nature of the phenomena of interest.
An experimental design requires a control group.