Author Question: A factorial design gives the experimenter power to investigate _____ variables in a single ... (Read 58 times)

Haya94 · **on:** Jun 20, 2018

A factorial design gives the experimenter power to investigate _____ variables in a single experiment

a) several independen
b) two independent
c) several dependent
d) two dependent

Question 2

Dr. Smith designs a study to examine the effectiveness of giving college students who visit the student health center a pamphlet on the importance of healthy sleep habits.

Dr Smith obtains the participants' email addresses, and two weeks later, emails a survey assessing their sleep quality. Dr. Smith's study design could be improved with the addition of
a) a control
b) a mailed survey.
c) a dependent variable.
d) replication