Which of the following outcomes would indicate an interaction effect?
a. female and male interviewers are liked more with longer eye contact.
b. female and male interviewers are liked less with longer eye contact.
c. female interviewers are liked more with longer eye contact while duration of eye contact has no effect on liking of male interviewers.
d. all of the above are interaction effects.
Question 2
What is the most unbiased tool that can be used in random selection?
a) random sampling
b) table of random numbers
c) quota sampling
d) direct sampling