Most experimental subjects try to help the researcher by doing their best to perform as they think they should. This problem is called
| A. | the placebo effect |
| B. | the Hawthorne effect |
| C. | the self-fulfilling prophecy |
| D. | demand characteristics |
Answer : D Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
