Step 1: Understanding Bem’s theory of self-perception.
Bem’s theory of self-perception suggests that people infer their own attitudes and feelings by observing their behavior and the context in which it occurs. This theory emphasizes that behavior influences the perception of one's own attitudes and beliefs.
Step 2: Analyzing the options.
- (A) Incorrect, while self-concept can be related to attitudes, Bem's theory focuses more on how behavior informs attitudes rather than the development of self-concept.
- (B) Correct, Bem's theory posits that behavior is a key source of knowledge for understanding attitudes.
- (C) Correct, Bem's theory is directly related to attitude formation through the observation of behavior.
- (D) Correct, Bem suggests that people often change their attitudes based on their actions or behaviors, especially if these behaviors are inconsistent with their initial attitudes.
Step 3: Conclusion.
Thus, the correct answer is (B), (C), and (D).