Visual perceptions of objects often change when the objects are viewed in different surroundings. this best illustrates

 The correct answer is :  context effects

Explanation:  A context effect on cognitive psychology is defined as the influence of external or environmental factors on the perception of a stimulus. These effects influence our daily life in several aspects such as: in the abilities to learn, to recognize objects, to recognize words, in reading, in writing, in the perception of sounds, they can also affect memory.

the correct answer is d

answer; formal diagnosis (vera wand formal dress);