Harry Harlow Used the Theory Behind Operant Conditioning to Predict

Harry Harlow used the theory behind operant conditioning to predict incorrectly that __________.

A) monkeys would prefer a wire mesh mother that dispensed food
B) monkeys would prefer a wire mesh mother with a soft cloth cover that did not dispense food
C) monkeys would withdraw from, and be frightened by, both wire mesh mothers
D) monkeys would prefer both wire mesh mothers equally