Marielle and dominic have not seen each other since high school, and they are both getting ready to attend their 30-year reunion. marielle remembers dominic as being a very playful, funny, and easy-going person. she is looking forward to seeing him, and expects that he will be very much the same as he was 30 years ago. marielle's expectation demonstrates a belief in

Marialle's expectation demonstrate a belief in "CONTINUITY"

Marialle shouldn't expect Dominic to be the same because according to the continuity idea, people experience a developmental change as they grow up and become more aware of certain things in life.

Continuity related to development involves quantitative or qualitative changes. Quantitative changes are for example the hight of someone in adolescence and qualitative changes are for example the more mature thoughts someone has when they are adult... different from the ones that person had as a child or adolescence.