Top Posters
Since Sunday
w
3
w
3
e
3
3
r
3
g
2
2
b
2
M
2
V
2
f
2
c
2
New Topic  
killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
A researcher tests a new antidepressant drug. The drug works, but not for the theoretical   
      reasons proposed in the researcher's hypothesis. The experiment lacks ______ validity.   
      a.   face                           c.   internal                        
      b.   construct                     d.   external
Read 299 times
1 Reply
Smiling Face with Open Mouth
Replies
Answer accepted by topic starter
f_zah1f_zah1
wrote...
Top Poster
Posts: 10774
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  458 People Browsing
Related Images
  
 403
  
 209
  
 343
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 824