Top Posters
Since Sunday
14
o
6
6
G
3
c
3
q
3
m
3
j
3
s
2
b
2
j
2
u
2
New Topic  
redcandle redcandle
wrote...
Posts: 3986
8 years ago
A researcher is testing whether caffeine makes people more talkative. Some of his study participants are given regular coffee to drink and some are given warm milk. His assistant then interviews the participants and counts the number of words each speaks during the interview. What seems to be missing from the design?
A) a hypothesis
B) an independent variable
C) a dependent variable
D) a placebo control
Textbook 
Psychology and Life

Psychology and Life


Edition: 18th
Authors:
Read 219 times
3 Replies
Replies
Answer verified by a subject expert
iwasteniwasten
wrote...
Top Poster
Posts: 2650
8 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

redcandle Author
wrote...
8 years ago
This helps dramatically, thank you for answering.
wrote...
8 years ago
Pleasure to help Slight Smile
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1083 People Browsing
Related Images
  
 331
  
 220
  
 261
Your Opinion
What's your favorite funny biology word?
Votes: 336

Previous poll results: Where do you get your textbooks?