According to Stones and Kozma (1981) regarding choice of activities for older adults, the following would be an example of an activity NOT chosen:

What does (US), (UR), (CS) and (CR) refer to?

A. Unconditioned Stimulus, Unconditioned Response, Conditioned Stimulus and Conditioned Response. B. Unknown Stimulus, Unknown Response, Conditioned Stimulus and Conditioned Response. C. Unconditioned Stimulus, Unconditioned Response, Controlled Stimulus and Controlled Response. D. Unknown Stimulus, Unknown Response, Controlled Stimulus and Controlled Response.

Responses acquired under schedules of partial reinforcement are less resistant to extinction than those acquired with continuous reinforcement

a. true b. false