When seeking approval to conduct an experiment using participants from her college psychology course, a student researcher should

Ask her professor
Request permission from the dean of the department
Get consent from students' parents
Apply to the institutional review board at the university
Apply to the IACUC at the university

This is called visual imagery. it is a memorization technique wherein an idea or a term is associated with an image, this in remembering ideas, especially as humans are very visual learners. this is also why visual aids a lot for memory retention.

The answer is "gesture and body language mostly  your verbal interaction".


gesture and boy language refers to a form of non-verbal communication, in which obvious substantial activities impart specific messages, either set up of, or in conjunction with, discourse. gestures incorporate development of the hands, confront, or different parts of the body. body language is physical conduct, instead of words, are utilized to express or pass on data. such conduct incorporates outward appearances, body act, signals, eye development, touch and the utilization of room.