what would the control group be for He should conclude the radio waves had No effect on the strength of the mice. Krusty was told that a certain itching powder was the newest, best thing 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.
He should conclude the radio waves had No effect on the strength of the mice. Krusty was told that a certain itching powder was the newest, best thing 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.
