The most common reason that we forget things from our long-term memoryis

A reinforcer that is reinforcing in and of itself is called a ________ reinforcer

a. direct b. delayed c. primary d. secondary

About _____ of IQ scores fall below _____, in the range of intellectual disability

a) 5%; 65 b) 2%; 70 c) 1%; 50 d) 12%; 75