Question

identify the control group-
krusty was told that a certain itching powder was the new best powder on the market, it even claims to cause 50% longer lasting itches.
interested in this product, he buys the itching powder and compares it to his usual product. one test subject (a) is sprinkled with the original
itching powder, and another test subject (b) was sprinkled with the experimental itching powder. subject a reported having itches for 30
minutes. subject b reported to have itches for 45 minutes.

Explanation:

In an experiment, the control group is the one exposed to the original (standard) condition for comparison. Here, Subject A is sprinkled with the original itching powder, so this group (Subject A with original powder) serves as the control to compare against the experimental group (Subject B with new powder).

Answer:

The control group is Subject A (sprinkled with the original itching powder).