Fetal weight ______ in the last trimester of pregnancy

doubles
triples
quadruples
stays the same


doubles

Psychology

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Edhilvia is studying the relationship between smoking and number of visits to the doctor. After giving a survey to 1,000 people, she finds that the more people smoked, the more times they visited the doctor every year. From these results, Edhilvia can logically conclude that ____

a. ?there is a negative correlation between smoking and visiting the doctor b. ?there is a positive correlation between smoking and visiting the doctor c. smoking causes people to go to the doctor d. ?her results are invalid since participants were not randomly assigned to groups

Psychology

Approximately how many cells are in the human brain?

A) 10 million B) 50 million C) 1 billion D) 100 billion

Psychology

By specifying how people change over time, the research goal of ____ establishes the facts of development

a. optimization b. longitudinalization c. explanation d. description

Psychology

A professor says to her student, "Nice job on that test.". She has used:

a. positive reinforcement c. negative reinforcement b. generalization d. negative punishment

Psychology