The neurotransmitter that helps people make decisions that lead to good outcomes and avoid bad outcomes is __________

Rob is a computer programmer whose job is to program the mechanism that operates slot machines. Which schedule of reinforcement will he program into the slot machine?

a) fixed-ratio b) fixed-interval c) variable-ratio d) variable-interval

Cowan, et al. (1999) conducted an example of the ________ of research. They investigated developmental changes in short-term memory for single-digit numbers. Their participants were groups of first graders, fourth graders, and young adults

A) cross-sectional method B) random assignment method C) longitudinal method D) none of the above