The age 30 transition can be a difficult period because a. divorces are common. b. shift in the direction for future developments. c. make a place for themselves in the adult world. d. all of the above

According to behaviorism, instruction should provide necessary stimulus in order for learners to produce desired response. it is important that the learner must know how to execute the proper response under the required conditions in order to produce the desired response (ertmer & newby, 1993). instruction should provide learner with opportunities that the learner practice to elicit the desired outcome.