Top Posters
Since Sunday
L
3
d
3
y
3
a
3
n
3
d
3
e
3
d
3
c
3
p
3
M
3
a
3
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
Hog95 Hog95
wrote...
Go to Answer
Posts: 2983
Rep: 24 0
9 years ago
Advanced topic: A social psychologist is designing a study to see whether people who see a particular film are more likely to use violence as a solution to a problem. The psychologist plans to use a scale that assesses this construct, which has a population mean of 78 and a standard deviation of 14. The psychologist expects an increase of eight points above the population mean. Fifteen participants will be enrolled in the study, and the data will be analyzed at the .05 level.
a.   What is the power of the study?
b.   Sketch the distributions involved.
c.   Explain your answer to a person who understands hypothesis testing with means of samples, but who is not familiar with effect size or power.
d.   What is the predicted effect size?
e.   What are three things that might be done to increase the power of the study? 
Read 387 times
2 Replies
Replies
Answer accepted by topic starter
padrepadre
wrote...
#1
Staff Member
Educator
Top Poster
Posts: 21610
Rep: 4541 17
9 years ago
Sign in or Sign up in seconds to unlock everything for free
1
Mastering in Nutritional Biology
Tralalalala Slight Smile

Related Topics

Hog95 Author
wrote...
#2
9 years ago
Thank you so much for the reply. Your answer makes a lot of sense.
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1190 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1133
  
 362
  
 229
Your Opinion
What's your favorite math subject?
Votes: 315
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?