After a subject has developed a classically conditioned response, an investigator begins presenting the conditioned stimulus by itself. which of the following is likely to occur? a. extinctionb. stimulus generalizationc. spontaneous recoveryd. acquisition

The answer is A. extinction.

Explanation:

The process in which a subject learns the association of the conditioned stimulus with a consequence is called acquisition; on the other hand, when a subject gradually stops making this association, it is called extinction.

In the example, if the conditioned stimulus is shown without any consequence, the subject is likely to stop presenting a conditioned response.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

a) which ethnic groups live in this community?

i just took test