Which of the following tools of research best attempts to measure the feelings or belief of an individual?
A. Questionnaire
B. Check-list
C. Opionionnaire
D. Perception scale
E. Attitude scale
Choose the correct answer from the options given below:

Correct option is D

The tools that are best suited for measuring the feelings or beliefs of an individual include:
C. Opinionnaire: This tool is specifically designed to gather opinions, often reflecting personal feelings and beliefs about specific issues.
D. Perception scale: Perception scales are used to assess how individuals perceive or interpret various aspects of their environment or different situations, effectively measuring their subjective experiences.
E. Attitude scale: Attitude scales are intended to measure a person's stance or feelings toward a subject, issue, or object, providing insights into their beliefs.
These tools are effective in capturing subjective data that reflects personal feelings, beliefs, and perceptions, which are essential for studies focusing on psychological, social, or emotional dimensions.
Information Booster:
(a) B & C only and (c) A & B only: While these options include tools that can gather some information about beliefs and feelings, they are not as specifically tailored to capturing subjective emotional and belief-oriented data as the options in (d).
(b) D & E only: This option includes two appropriate tools but excludes the Opinionnaire, which is also a significant tool for measuring beliefs and opinions.