​Hank and his son Adam like to play a game on Hank’s cell phone. The game involves looking at cubes with letters in them and finding words. Sometimes Hank plays below his own skill level so that Adam can win, and other times Hank plays a little harder to encourage Adam to develop his own skills. In this scenario, Hank is occupying the role of

​Monozygotic twins are more commonly referred to as _______________ twins, while dizygotic twins are known as _______________ twins.

​Research has found that fathers are more likely than mothers to treat their sons and daughters differently based on the child’s sex.

​Like adults, children (even very young ones) use others’ emotions to direct their own behaviors, a practice called social referencing.

​At what age do children begin to understand that maleness and femaleness do not change over situations or according to personal wishes?

​According to gender-schema theory, in order to decide whether to learn more about an object, a child must first

​Research into the eyesight of older individuals that was conducted by human development researchers has led some states to change the way older drivers are screened when they renew their driver’s licenses. This reflects

​List three prenatal tests that might be offered to a pregnant woman, describe each test, and comment on the benefits and drawbacks of each test.

​The phrase, “interest but no interaction,” best describes ____ play.

​Why is there no conclusive evidence that there is a specific amount of alcohol a pregnant woman can drink without causing harmful effects to her child?