Dr. troxell conducts scientific studies on topics such as the power of prejudice, attitude change, aggressive behavior, and interpersonal attraction in teenagers. dr. troxell’s area of specialization is most likely in psychology.

developmental psychology

Explanation:

Developmental psychology -

It is a type of study regarding the changes human beings undergoes during his or her life span , is referred to as the developmental psychology.

The study involve even the minute  changes that occurs as the baby is born till the death of the organism .

Hence , from the given scenario of the question , Dr. Troxell’s area of specialization is most likely in developmental psychology .

president reagan was a good presidant and should be presidant if he was still alive

explanation:

this doesn't support enough information to answer the question.