Evidence that biological growth is the foundation for cognitive and social maturity comes from the fact that, although 2-year-olds can barely talk and are totally dependent on adults, they have already reached half of their adult height and percent of their adult brain size.

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

What is naturalistic about chopin's two stories, "the story of an hour" and "a pair of silk stockings"? provide textual evidence to support your claim.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling