Factorial designs are preferred because they
a) Test the influence of the treatment and control conditions
b) Allow for the analysis of multiple treatment and interaction effects
c) Are easier to conduct than other designs like a Solomon four-group design
d) Produce the least amount of reactivity to the experimental manipulation
Question 2
Why is a Solomon four-group design desirable?
a) It replicates the treatment and control conditions.
b) It has high internal validity and high external validity.
c) It is easier to conduct than many other designs.
d) It is commonly found in literature.
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