× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
n
6
6
t
5
k
4
j
4
d
4
d
4
t
4
a
4
d
4
m
4
d
4
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
KENHUYNH96 KENHUYNH96
wrote...
Go to Answer
Posts: 606
Rep: 0 0
6 years ago
Professor Stevenson and his colleagues observed the motor behavior of children following the administration of a drink with food additives or a drink without the additives. Neither the children nor their observers knew which kind of drink each consumed. This experimental procedure is designed to control for
 
  a. placebo effects.
 b. tolerance.
 c. withdrawal.
 d. the likelihood that some of the children might have attention deficit hyperactivity disorder.
Read 102 times
1 Reply
Replies
Answer verified by a subject expert
Ca1234Ca1234
wrote...
#1
Top Poster
Posts: 766
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

KENHUYNH96 Author
wrote...

6 years ago
this is exactly what I needed
cartoon
wrote...

Yesterday
Thank you, thank you, thank you!
54321abs
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  545 People Browsing
 111 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 449
  
 876
  
 392
Your Opinion
How often do you eat-out per week?
Votes: 81
Previous poll results: Who will win the 2024 president election?