Which of the following tools of research best attempts to measure the feelings or belief of an…

To measure the subjective feelings, beliefs, and affective predispositions of an individual, researchers primarily rely on (c) Opinionnaires, (d) Perception scales, and (e) Attitude scales. Questionnaires and checklists generally gather factual information or behavioral presence/absence, making (c), (d), and (e) only the appropriate affective measurement tools.