× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
G
4
K
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
R
2
c
2
New Topic  
bla32104 bla32104
wrote...
Posts: 741
Rep: 0 0
6 years ago
Derrill is worried that variables such as age, gender, personality characteristics, and education level might confound the results of his experiment, which is designed to test the effects of mood on reaction time. Derrill should use ____ assignment to experimental groups to distribute the impact of these ____ variables.
 
  a. random; representative
  b. representative; random
  c. representative; representative
  d. random; random
Read 26 times
2 Replies
Replies
Answer verified by a subject expert
TskotarTskotar
wrote...
Top Poster
Posts: 905
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

bla32104 Author
wrote...
6 years ago
Such an awesome helper!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  806 People Browsing
Related Images
  
 259
  
 282
  
 1422
Your Opinion
Which country would you like to visit for its food?
Votes: 261