A store's offerings can be classified into product groupings on the basis of function, purchase motivation, storability, and _____

_____________: High involvement, high time, high cost, internal and external info search, many alternatives

Fill in the blank(s) with the appropriate word(s).

Which of the following represents the least effective reinforcement strategy?

A) Immediate reinforcement B) Negative reinforcement C) Continuous reinforcement D) Delayed reinforcement E) This question cannot be answered accurately as stated.