Cronbach’s coefficient alpha is a measure of which of the following?
a. The average validity of an item
b. The correlation between one item and the total scale score
c. The average correlation among the items
d. The face validity of a scale
Answer: c. The average correlation among the items
You might also like to view...
Neisser's career was influenced by ____.?
a. ?Miller b. ?Koffka c. ?Köhler d. ?Maslow e. ?All of the choices are correct.
Answer the following statements true (T) or false (F)
1 Defining and detecting are the two tasks that allow us to measure physical and psychological properties 2 Measuring intelligence in terms of eye colour lacks reliability 3 It is possible for a measure to be reliable but not valid 4 Validity is the tendency of a measure to produce the same result whenever it is used to measure the same thing 5 Reliability is the tendency of an operational definition and a property to have a clear conceptual relation
Advancing age affects
a. both the physical and functional capabilities of the sensory systems. b. muscular strength more than endurance. c. physical appearance more than physical ability. d. highly developed skills that cannot be compensated for by alternate strategies. e. endurance more than muscular strength.
The Cognitive Developmental Perspective on justice was advanced by ______.
A. Piaget B. Gilligan C. Haidt D. Kohlberg