When Presho Was a Newborn, Her Parents Consented to Enrol

Multiple Choice

When Presho was a newborn, her parents consented to enrol her as a participant in a longitudinal study exploring childhood development. Every year in April, her parents take her to the university in their city so she can participate in some short experiments. When Presho's younger brother, Anam, is born three years later, their parents decide to enrol him as well, and he participates in the same experiments as his sister, also during their visit in April.
-When the children come back year after year,researchers hypothesize that their _________ will change,but their _________ probably will not.

A) attachment style; moral reasoning ability
B) temperament; cognitive schemas
C) moral reasoning ability; attachment style
D) attachment style; personality