The neural plate is formed from the ______ of the embryo
a) ectoderm
b) endoderm
c) neural tube
d) embryonic plate
Answer: A
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The fact that dirt and contamination were threats to our ancestors suggests that __________.
A. preparedness theory may help explain obsessive-compulsive disorder B. fear of these things is rational C. obsessive-compulsive disorder probably exists in many species, not just humans D. obsessive-compulsive disorder is one of the oldest disorders in existence
Two-year-old Angela attends day care five days a week because she has a single mother who works. This means that Angela falls into the group of close to __________ of children under the age of three who are cared for by other adults
a) 33 percent b) 50 percent c) 67 percent d) 75 percent
Longitudinal studies involve
a) testing several different age groups on two or more measures. b) testing age effects vs. cohort effects in a population. c) testing one cohort over time. d) testing the effects of time-of-measurement.
When questions are prone to errors occurring when individuals’ responses vary because of their reactions to particular words or ideas in the question there is ______.
A. statistical noise B. regression to the mean C. idiosyncratic variation D. context effect