What problem is Cohen's kappa intended to correct?
a. Split-half reliability tends to underestimate the true reliability of the full test
b. Split-half reliability tends to overestimate the true reliability of the full test.
c. The simple percentage of agreement tends to underestimate the true level of agreement between two observers.
d. The simple percentage of agreement tends to overestimate the true level of agreement between two observers.
d
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What are the limitations to using the computer metaphor to describe memory?
A. The computer makes many more mistakes in recalling information than the human brain. B. The computer makes fewer errors in recalling information than the human brain. C. Computers are unable to perform any function that resembles recalling a memory. D. It is well-known that only an emotion can recall a memory; so computers cannot recall memories, as they have no emotions.
The absence of acetylcholine will cause a muscle to ____
a. relax b. contract c. fatigue d. stretch
Stimulant drugs slow down the activity of the central nervous system
Indicate whether the statement is true or false
The _____ is a cognitive evaluation of a potentially stressful event to determine whether its effect is positive, irrelevant, or negative
a) primary appraisal b) approach-avoidance conflict c) adjustment phase d) stressor evaluation theory