****This is using SPSS***** Dr. Schwartz wanted to examine the hypothesis that smelling peppermint increases exercise intensity,...
Question:
****This is using SPSS*****
Dr. Schwartz wanted to examine the hypothesis that smelling peppermint increases exercise intensity, so she randomly assigned participants in her first experiment on this topic. The peppermint group exercised in a room in which a peppermint scent was released once each minute, while the no peppermint group exercised in an unscented room. She measured the distance participants cycled in 20 minutes on indoor bikes. After she completed that first experiment, Dr. Schwartz realized that perhaps her results in the first experiment could be attributable to the failure of random assignment to balance the weight of participants in the two groups. Thinking that this alternative explanation might explain why she got nonsignificant results in the first experiment, she decided to match participants on weight in the second experiment. She randomly assigned the two heaviest participants to either the peppermint or no peppermint conditions by flipping a coin, and then randomly assigned the next two heaviest participants, and so on.
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