The most prevalent category of observation study is observation. a. linguisticb. extralinguisticc. spatiald. nonverbale. digital

The most appropriate answer to the blank out of the four given options is

option(d) non verbal

Explanation:

Non verbal observation includes gestures, postures, body movements, expressions, etc. Apart from Linguistic, extra linguistic, spatial and it adds more meaning to the observation.

answer; participant observation method;

answer; health-related quality of life;