Two-year-old Rona becomes very upset when approached by an unfamiliar person. This common reaction is called _____ anxiety

Which of the following students provides the most accurate statement about the way that children provide gender-related messages to their peers?

a. Naomi: "Children in North America who are 3 or 4 years old prefer to play with a same-gender child, but school-aged children have no preferences.". b. Gwendal: "When children play mostly in single-gender groups, they tend to learn and practice gender-stereotyped behavior.". c. Elli: "In general, girls are more likely than boys to show entitlement, a behavior that encourages gender segregation.". d. Jeff: "Both girls and boys give consistently higher ratings to boys, whereas they downgrade girls.".

The hygiene hypothesis holds that asthma is a result of _______ that has/have become common in modern society

A) dust mites B) ?cleanliness C) ?cigarette smoking D) ?industrial pollution