The method of requires the experimenter to vary a perceptible stimulus until it is no longer perceived, or an imperceptible stimulus until it is finally perceived. a. limits b. constant stimuli c. adjustment d. sensation and perception e. matching

The method of A. Limits requires this.

Explanation:

The method of limits is generally used in research and it is used to establish an individual's perception of a certain stimulus through understanding the level at which it is perceived by him/her.

The stimulus is presented and varies, by being decreased or increased, until it is perceivable by the individual. The experimenter needs to vary the perceptible stimulus until it is no longer perceived and the imperceptible stimulus until it is perceived in order to measure the level at which perception is possible.

the answer might be either a or c. can't be too sure , because i searched the web, but no valid answers came through.

imagine me knowing the answer