To study the effect of workplace lighting on employee productivity, a researcher first manipulates the amount of lighting in a workspace and then observes its effect on a group's productivity. in this case, the researcher is focusing on which element of inferences of cause and effect?

The fact that the researcher analyzes the relationship between the amount of lighting in a workplace and the group's productivity means that the researcher is focusing on the temporal precedence, as an element of inferences of cause and effect. It is a tool used for determining the strength of a cause and effect relationship.

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