Catching fish when fishing in a lake would most likely represent which of the following schedules of reinforcement?
a. variable interval
b. fixed ratio
c. fixed interval
d. interval ratio
e. continuous-partial
a. variable interval
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Which factor would be considered a barrier to why people over 65 are less interested and less motivated to learn new technology skills?
A. physical inability B. emotional apprehension C. cognitive declines D. psychological fatigue
The DSM-5 specifies two subtypes of anorexia based on ____
a. percentage of weight loss b. methods used to limit caloric intake c. presence or absence of co-morbid depression d. family dynamics
Parkinson's disease produces tremors and muscular rigidity because of damage to
A. acetylcholine neurons in the parasympathetic branch. B. dopamine neurons in the nigrostriatal pathway. C. norepinephrine neurons in the locus ceruleus. D. the blood-brain barrier.
Which of the following statements about radial glia is true?
A. They degenerate when migration is complete. B. They differentiate into astrocytes. C. They retain the ability to produce daughter cells. D. They differentiate into neurons.