Professor Okamoto is interested in the effects of prosocial TV on sharing behavior among preschool children. (Prosocialactions are meant to benefit others, not oneself.) She assembles a sample of 100 children, then assigns each child at random to either the prosocial TV group or the neutral TV group. The first group then views 30 minutes of TV with a prosocial theme, and the second group views 30 minutes of TV with a neutral theme. After the children finish their TV session, Professor Okamoto assigns them to .

Play groups

Explanation:

Play groups could be described as groups where children under the age of 5, are allowed to interact among themselves in cells. This group improves the child's ability to socialize among others. The advised age group for such is between 2-3years of age.

Professor Okamoto, after carrying the test uses the playgroups to make the children interact among themselves.

the answer is b: a lockout

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.