What is the probability that two heterozygous parents will produce a blue-eyed child?

What term describes something that became reinforcing by association with something else?

a. Primary reinforcer b. Secondary reinforcer c. Equilibrium d. Disequilibrium

The existentialists maintain that the scientist should:

a. dismiss the object side of the reality equation b. not bring his/her "inner world" of experiences into his/her view of science c. focus first on his/her own subjective experiences in the formulation of problems to be studied and then proceed to study them in a way that is as objective as possible d. tailor his/her study of problems to existing methodology based on methods used in physics or physiology