​A study in which people of different ages are all measured at the same time in order to assess developmental differences is called a

If an infant’s cry starts softly and gradually becomes more intense and occurs when the infant is hungry or tired, (s)he is producing a(n) _______________ cry.

​As children get older, they rely less on others to regulate their emotions for them.

A child’s awareness of his or her own existence is usually well-established by the age of _______________ years.

Piaget hypothesized that children use two complementary processes to allow their experiences and schemes to work with each other. They are _______________ and _______________.

​The key lesson learned by the fact that thalidomide showed no impact when tested on pregnant rats but led to birth defects in humans is that

​For children with a(n) ____ style, language is primarily an intellectual tool. On the other hand, for children with a(n) ____ style, language is primarily a social tool.

​A child who is born at a weight of less than 1000 grams would be referred to as having _______________ birth weight.

​All cultures have gender stereotypes.

​One of the main challenges of a cross-sectional research is the appearance of _______________ effects, which refer to differences between age groups that are caused by environmental, rather than developmental, factors.