Aresearcher wants to know whether wearing sunglasses improves driving performance. if an independent groups design is used, the researcher would:

In an independent group design, a researcher with an aim to know whether using sunglasses would improve driving performance would have to manipulate the variables by first randomly assigning half of the drivers to the a group in which they are required to drive with sunglasses; also known as the experimental group, and the other half of the drivers, also known as the control group, will be required to drive without sunglasses.

Explanation:

In an independent group design, a researcher with an aim to know whether using sunglasses would improve driving performance would have to manipulate the variables by first randomly assigning half of the drivers to the a group in which they are required to drive with sunglasses; also known as the experimental group, and the other half of the drivers, also known as the control group, will be required to drive without sunglasses.

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1. government controls industry through policy

2.government is both a consumer and a producer

4. government can use policy t influence economy

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