Psychologists define learning as the process of
a. adapting to the environment.
b. responding to external stimuli.
c. acquiring new information or relatively enduring behaviors.
d. rewarding behavioral responses.

Learning is the process of acquiring the information which is new or relatively enduring behaviors according to the environment.

Explanation:

Learning is an acquired behavior from the new environment or then gradually observing the behavior of the environment and adapting to the changes. There are many techniques which involve in the process of learning and the habits which must be employed. To learn something new we must concentrate and must reflect the ideas then think about it and do some research.

Learning something new or learning the existing thing in a different manner depends upon our techniques. The modes of learning in a cycle include activist’s reflectors theorist and pragmatists.

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.