Answer:
Thematic Apperception Test (TAT).
Explanation:
TAT(Thematic Apperception Test) is demonstrated as a projective test that aims to disclose an individual's social or his/her needs by analyzing their interpretation of specific pictures and responses.
As per the given description, the situation exemplifies the 'Thematic Apperception Test' as the researcher aims to reveal the own unconscious feelings of the volunteer through his/her description of the picture. The researcher's assumption that the 'story' which he would narrate would disclose his hidden drives, feelings, etc. reflect that he practices this psychological 'Thematic Apperception Test' abbreviated as 'TAT'.