Two kids are liars, three can only say the truth. jane: " julia is only a liar, if john is telling the truth." julia: "if joey doesn’t lie, then either jane or john do." joey: " jack lies, as does jane or julia." john: "if julia is telling the truth, then jane or joey do as well." jack: "if you round up jane, joey and john, you will have at least one liar." the compulsive liars

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.