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.

do your own work

you really need to do your own work and stop cheating

i would think yes.

explanation:

because we have every natianlity in our country which makes us so diverse and unique. that's why in a lot of cities there are places like little italy, koreatown, chinatown.