× Didn't find what you were looking for? Ask a question
  
  
Top Posters
Since Sunday
j
22
22
i
19
a
18
z
18
m
17
D
17
16
j
16
K
16
s
16
a
16
New Topic  
wrote...
Posts: 8
Rep: 0 0
2 weeks ago
Juan wants to compare the effectiveness of two drugs in treating migraines. He administers Drug A to a participant and then Drug B to the same participant 8 hours later, when Drug A is still in the participant's system. In this case, the study is contaminated by a(n) ________ effect.

A. carryover

B. practice

C. order

D. fatigue
Read 39 times
1 Reply
Related Topics
Replies
wrote...
Educator
2 weeks ago
(A) Carryover
The best way to say thank you is with a positive review:

  https://trustpilot.com/review/biology-forums.com 

Your support goes a long way!


Make a note request here
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  107 People Browsing
Your Opinion
Do you believe in global warming?
Votes: 186

Related Images
 534
 84
 103