What is considered to be cheap, easy, and safe, and allows doctors to monitor fetal growth and gives parents the enjoyment of seeing the fetus as it is developing in the womb?
a) ultrasound
b) CVS
c) amniocentesis
d) MRI
Answer: a
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Six-month-old infants habituated to seeing several random arrays of 8 dots displayed greater interest when shown an array with at least 16 dots. This ability to distinguish sets of items with a 1:2 ratio indicates that infants may have a(n) __________ system.
A. habituation B. spatial navigation C. numerical estimation D. object tracking
Night terrors occur in stage 3 or 4
Indicate whether the statement is true or false
Naturalistic observation tends to be:
a. theoretical rather than empirical. b. concerned with determining causes of behavior. c. descriptive rather than explanatory. d. deductive rather than inductive.
Broad-based temperament traits like fearfulness and aggressiveness are:
a. less likely to be adaptive at moderate levels than at extreme levels b. not adaptive at all c. more likely to be adaptive at moderate levels than at extreme levels d. are adaptive at all levels