Multiple Choice
Dr. Dread has collected data on aggression using a measure with true/false items. She wants to determine the instrument's internal consistency. Which statistic should be used?
A) Spearman-Brown formula
B) Kuder-Richardson 20
C) Cronbach's alpha
D) Either b or c
Correct Answer:
Verified
Correct Answer:
Verified
Q4: If a measurement tool has high reliability,
Q5: Interitem reliability can only be used when
Q6: Can a reliability coefficient be negative? Why
Q7: The Spearman Brown formula must be used
Q8: Measurement reliability refers to consistency throughout a
Q10: What factors affect the size of a
Q11: Dr. Feelgood is developing an instrument on
Q12: Dr. Feelgood reports a Cronbach's alpha of
Q13: Cronbach's alpha is the most common means
Q14: Carryover effects are a problem when establishing