Introspection was later criticized as a research method because it _____.

Introspection was later criticized as a research method because it _____.

a. required too many behavioral observations
b. focused solely on objective measurements and not on self-reports
c. was only useful with psychologically disturbed patients
d. was too narrow and subjective in primarily studying sensations

Correct answer is option D. was too narrow and subjective in primarily studying sensations. Explanation: Introspection was later criticized as a research method because it was too narrow and subjective in primarily studying sensations.