Multiple Choice
The work of Charles Spearman combined what two measurement concepts?
A) mean and variance
B) sample statistics and population parameters
C) sampling error and correlation
D) reliability and validity
Correct Answer:

Verified
Correct Answer:
Verified
Q3: The basic theory of reliability was first
Q4: Tests designed according to item response theory<br>A)are
Q5: What is Cronbach known for?<br>A)Developing measures to
Q6: The Spearman Brown formula corrects for deflated
Q7: Approximately what value must a reliability coefficient
Q9: A reliability coefficient of .60 suggests that<br>A)64%
Q10: The kappa statistic is used to<br>A)assess the
Q11: A split-half correlation, KR 20, and coefficient
Q12: Carryover effects only affect reliability when changes
Q13: As opposed to reliability based on the