Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children's first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are:
a. age appropriateb. educationalc. not an excessive incentived. of high quality

option C.

Explanation:

The correct answer is option C.

The toys provided by the IRB (institutional reviewing board )  is not an excessive incentive

The excessive incentive is the amount of incentive paid by the company as compensation to the employee.                    

But here for research purpose, the toys are not used as the excessive incentive for the subject.      

The correct option is C Not expensive as Institutional review board (IRB) is accessing this proposal and based on economics toys should be Not an excessive incentive.

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;