Question

What data besides core, skin, and scrotal temperatures would be good to gather to support or reject the hypothesis that underwear type affects fertility?
A) the size and position of participants' testes
B) the number and quality of sperm in wearers of each type of underwear
C) the ability of participants to maintain temperature in very cold or very warm conditions
D) the fertility of each man's partner

Answer

This answer is hidden. It contains 1 characters.