A. serotonin
B. endorphins
C. dopamine
D. insulin
A. conditioned response
B. unconditioned response
C. unconditioned stimulus
D. conditioned stimulus
A. a recessive gene
B. a missing sex chromosome
C. an extra autosome or part of one
D. an extra sex chromosome or part of one
A. semantics
B. pragmatics
C. syntax
D. pitch
A. Humans are basically good and worthy
B. Humans are basically bad and unworthy and thus have to be reconditioned using learning principles
C. There is a natural growth process that can be blocked by bad condition
D. Both A and C
A. fixed ratio
B. variable interval
C. variable ratio
D. fixed interval
A. stimulus energies are detected
B. stimulus energies are transformed into neural activity
C. sensory input is selected, organized and interpreted
D. nerve cells respond to specific features of a stimulus