Study the case given below and answer the questions given at the end. A researcher has conducted an independent measures design experiment to investigate whether chewing gum influences concentration. She recorded how many changes were detected in a ‘spot-the-difference’ puzzle by people chewing gum when completing the task, compared to those who were not. Questions: A. Explain the difference between a lab experiment and a field experiment. Name two variables present in a lab experiment.

Study the case given below and answer the questions given at the end A researcher has conducted an independent measures design experiment to investigate whether class=


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