<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the concept of cognitive dissonance in psychology? Context: Cognitive dissonance refers to the mental discomfort that arises when a person holds contradictory beliefs, ideas, or values. Answer: [/INST]Cognitive dissonance is the mental discomfort experienced when a person holds two or more contradictory beliefs, ideas, or values.</s>