On Dora’s first birthday, one her aunts brought a set of Leg…

On Dora’s first birthday, one her aunts brought a set of Lego basic bricks that she absolutely loves. Dora spends hours building, breaking, and rebuilding towers from the blocks and smiles widely whenever she discovers something new she can do with them. Dora’s preoccupation with manipulating the building blocks in different ways reflects a function of the sensorimotor substage of        

Jared and his little sister Kaitlyn are each given one large…

Jared and his little sister Kaitlyn are each given one large cookie. Their mother breaks Kaitlyn’s cookie into four pieces to help her eat it more easily. Jared immediately begins to cry, saying that it isn’t fair for Kaitlyn to get so many cookies when he has only one. Jared is showing        

Lauren is a fifth-grader. She was the most popular girl in h…

Lauren is a fifth-grader. She was the most popular girl in her class until last month when Nicole joined their class as a new student and quickly replaced Lauren as the most popular girl. Lauren is trying to regain her popularity by spreading malicious rumors about Nicole so that others will start disliking Jennifer. Lauren is engaging in ________.