What are "Braxton-Hicks" contractions?
a. contractions that signal the beginning of the delivery process
b. false labor contractions that can begin as early as the sixth month of pregnancy
c. contractions that signal that the birth will be premature
d. contractions the baby makes because of having the hiccoughs
B
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Nutrients are moved through the digestive tract by _________ muscle
a. smooth b. cardiac c. striated d. both smooth and striated
Toddlers have a vocabulary of about 200 words at about what age?
12 months 18 months 24 months 30 months
Mohammed wants to choose a toy that his newborn will enjoy looking at. His best choice is to pick one that
A) features no real pattern. B) is straight, rather than curved. C) does not move. D) has sharp color contrasts.
A researcher examines all published studies of research on the effects of violent films on laboratory measures of aggression and concludes that taken as a whole, these data support the hypothesis that media violence elicits aggression. This analysis would appear to be a:
a. control group post hoc analysis b. weighted group statistical design c. meta-analysis d. multiple study quasi-experiment e. longitudinal study