Question

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

Answer 1

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.

Step-by-step 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.