A person with ambiguous internal and external sex organs but whose gonads are consistent with her or his chromosomes would be referred to as a(n):

During which stage of cognitive development would you witness a tertiary circular reaction?

a. sensorimotor c. concrete operations b. preoperations d. formal operations

A _____ design is most appropriate for situations in which a behavior is expected to change gradually

A) ?multiple-baseline-across-persons B) ?reversal C) ?simple-comparison D) ?changing-criterion