Chapter 11, Problem 28E

a.

To determine

Check whether the given study is an experimental study.

b.

To determine

Identify the subjects of the given study.

c.

To determine

Identify the factors of the given study.

Identify the levels of each factor.

d.

To determine

Identify the number of treatments of the given study.

e.

To determine

Find the response variable in the given experimental design.

f.

To determine

Comment on the type of experimental design.

g.

To determine

Explain whether the experiment conducted by the researcher is single-blind or double-blind.

h.

To determine

Comment on the nature and scope of the conclusion that will be reached by the experimenter.