Which of the following statements is correct?

group of answer choices
a. according to guthrie, reinforcement changes the stimulating conditions and thereby prevents unlearning.
b. according to thorndike, reinforcement is merely a mechanical arrangement that prevents unlearning.
c. according to guthrie, when a response leads to a satisfying state of affairs, its probability of recurring increases.
d. according to thorndike, reinforcement changes the stimulating conditions and thereby prevents unlearning.

A. According to Guthrie, reinforcement changes the stimulating conditions and thereby prevents unlearning.

Explanation:

Guthrie trusted in one-trial learning. For him, reinforcement offers a via for the change of the stimulus context, making movement necessary, and learning progresses inside the limits of the behavioral act. Also, he understood that forgetting is an impediment resulting from new associations instead of a decrease of stimuli.

c.it was a major banking and commerce center.

d.leonardo da vinci

d. to fix corruption and problems in the catholic church

d. to reform the catholic church from within

a. human faces are presented in an idealized, spiritual manner.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.