The correct answer would be the second option. The correct plan for his experiment would be that the temperature, the type of limestone, and the type of acid are controls. The amount of acid and the amount of damage to the limestone are variables. To determine the degree of damage of the acid it would be best that the amount of acid is the manipulated variable while everything else are assumed constant.
The answer is fundamental attribution error. This is our inclination to clarify somebody's conduct in light of interior elements, for example, identity or air, and to think little of the impact that outside elements, for example, situational impacts, have on someone else's conduct.
Zoologist
Alfred Charles Kinsey was an American biologist, professor of entomology and zoology, and sexologist who in 1947 founded the Institute for Sex Research at Indiana University