Considers the definition of learning as usefully applied to lower animals in instances of trained food-aversion behavior as a viable instance of associative learning. (SL)

Demonstrates the value of the concept of social cost in analyzing the cognitive processes underlying the encoding of convergent speech acts. (MH)

Study sought to identify those attitudinal and cognitive factors which prompt an individual to participate in protests designed to change government policy (DM)

Relevance of cognitive and developmental variables to observational learning and imitation is also discussed. (Authors/MB)

Sees motives of cooperation and noncooperation as a function of the game's reward system and infers that the same motives may operate in real-life situations. Bibliography, tables, and graphs. (RW)