× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
New Topic  
galekias galekias
wrote...
Go to Answer
Posts: 320
Rep: 0 0
6 years ago
The purpose of cross-validation is to
 
  a. validate the test for different criteria.
  b. try out the test with the same sample after a period of time.
  c. confirm the correlation in a different sample.

Ques. 2

Assume you are using GRE scores and undergraduate grades to predict graduate GPA. If the correlation of GRE scores and undergraduate grades were .18 rather than .56, then GRE scores would be ____ for predicting graduate GPA.
 
  a. more useful c. less useful
  b. equally useful

Ques. 3

The correlation between the Graduate Record Examination (GRE) and undergraduate GPA for all people taking the GRE is .56 . If the correlation is recomputed for only those students admitted to graduate school, the value of the correlation will most likely
 
  a. increase. c. stay the same.
  b. decrease.
Read 35 times
2 Replies
Replies
Answer verified by a subject expert
HeyoooHeyooo
wrote...
#1
Posts: 333
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

galekias Author
wrote...
#2
6 years ago
I'm still confused, but thanks for answering correctly
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1091 People Browsing
 119 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 23
  
 204
  
 1690
Your Opinion
Who will win the 2024 president election?
Votes: 3
Closes: November 4
Previous poll results: What's your favorite math subject?