​Collette is sitting with her young son Jim, and has placed five jellybeans in front of him. Jim starts to count the beans, and as he points to the beans says, “one, two, three!” He then looks up at Collette and smiles. Jim has not yet mastered the

​Eleven-month-old Oreo loves cookies. One day he sees his mother putting cookies into cups for a party. As he is watching, his mom puts one cookie into the first two cups, two cookies into the next two cups, and three cookies into the last two cups. If Oreo is a normally developing 10-month-old who likes cookies, he will most likely reach for

​The idea that development is determined largely as a result of the manner in which people resolve the conflicts that they face at different ages is the central concept of the ____ theories.

​For 10 to 15% of new mothers, the baby blues extend into months of irritability, feelings of low self-worth and apathy, and sleep and appetite disturbances. This condition, called postpartum ________, can influence a child’s development if it persists.

​Cohort effects are most likely to be a problem when it is difficult to separate the effects of developmental  processes from ____ when examining age effects across a wide range of ages.

​How did Piaget and Vygotsky view the “journey” of cognitive development?

​Prosocial behavior where both involved parties benefit is to ____ as prosocial behavior where the actor does not benefit is to ____.

​The idea that a child’s sociocultural backdrop was an essential factor in their development as crucial to the theory of

​Which type of measure is usually highly specific and thus cannot be applied broadly?

​The concept that personality emerges from conflicts that children experience when what they want to do differs from what society wants them to do is the basis of ____’s psychodynamic theory.