Most subjective method for measuring personality of a child is

Personality refers to the different aspects of a person's character such as his/her interest, behaviour, cognition, etc. 

• There are different kinds of techniques or tools in fashion to measure personality. The questionnaire, interviews, Projective methods, etc are the most common tools of personality measurement.
• In the category of subjective techniques as the respondent's bias is very hard lo be eliminated. Yet these provide means for extracting the hidden treasure of one's acquired accumulated complex behaviours and patterns of personality which would be still more difficult through other devices

Key Points

Here 'Questionnaire method' will be the most subjective method for measuring the personality of a child is as:

• it is a technique of personality measurement where the source of data is the subject himself/herself.
• it comprises a series of questions prepared by the researcher that is answered and filled in by all the respondents(child).
• in the questionnaire, the researcher uses different forms of questions, such as closed-ended, open-ended, or partially closed-ended questions. 
• it is a self-reporting instrument that can be used to measure personality, knowledge, levels, opinions, attitudes, beliefs, ideas,​ feelings, and perceptions of the child.

Hence, it could be concluded that the 'Questionnaire method' is the most subjective method for measuring the personality of a child.

Additional Information