Answer: a piece of candy at various times.
Explanation:
Variable interval (VI) schedule is the mechanism of operant conditioning for reinforcement scheduling.In this process response is imposed with reinforcement with particular amount passage of interval or gap.This mechanisms has variable schedule for time.
According to thew question, Lisa should implement the Variable interval (VI) schedule by providing participants with the candy at changing time in 10 hours of time period.Thus,it will help in better reinforcement of response in her experiment.
Hmmmmmmmm?? ig it is..i dunno ?
Answer: Formal operational stage of cognitive development
Explanation:
Formal operational stage of cognitive development is the level of Piaget's theory of cognitive development where a person is able to generate hypothesis about world and things for answering issues.For solving certain problem, best predictions are made regarding to it in a systematic and orderly manner.
This type of thinking is considered scientific rather than hit and trial method because meaningful ,relatable and valid guesses are made in accordance with the question or problem.Then best way for solving problem is then concluded.
A) North America, the West Indies, Europe is the answer.