According to the text, animal models may be considered ethical for psychological
research if:
A.genetic research is involved in at least part of the research.
B.no injury is inflicted on the animals.
C.an equal number of human subjects are included in the research.
D.concern for animals’ lives is balanced with concern for humanity’s future.
Excitatory signals are ________, whereas inhibitory signals are ________.
A.depolarized; hyperpolarized
B.positively charged; negatively charged
C.hyperpolarized; depolarized
D.negatively charged; positively charged
Sean is three years old and was born with a severe hearing impairment, but his parents
both have normal hearing. Sean currently has hearing aids to help him hear, but his
parents are considering a cochlear implant for him. What would be most likely to keep
Sean’s parents from agreeing to the procedure?
A.They want him to be welcomed by the deaf community.
B.They fear that he will lose his residual hearing.
C.They are afraid he will be unable to learn sign language.
D.They are worried that he is too young to receive the implant.
The term ________ is used to describe intermittent reinforcements.
A.partial reinforcement
B.continuous reinforcement
C.periodic reward
D.occasional punishment
Which of the following is an example of research done at the biological level of