In the mid-1920s the Hawthorne Works of the Western Electric Company was the scene of an intensive series of experiments that would investigate changes in working conditions as to their effects on workers' performance.
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Athat would investigate changes in working conditions as to their effects on workers' performance
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Binvestigating the effects that changes in working conditions would have on workers' performance
分析该选项
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Cfor investigating what the effects on workers' performance are that changes in working conditions would cause
分析该选项
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Dthat investigated changes in working conditions' effects on workers' performance
分析该选项
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Eto investigate what the effects changes in working conditions would have on workers' performance
分析该选项