This experiment was without design, and subjects were randomly divided into four groups, each group randomly assigned to receive an objective result.
实验为组间设计，被试随机分为四组，每组随机接受一种客观结果。
This experiment was without design, and subjects were randomly divided into four groups, each group randomly assigned to receive an objective result.
实验为组间设计，被试随机分为四组，每组随机接受一种客观结果。
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