Why is it that 22 weeks is considered the earliest "age of viability" for an unborn child?
a. Because this is the age by which the child's systems are functioning well enough to potentially sustain life outside of the mother's body.
b. Because it is not until this age that the unborn child's brain begins developing
c. Because this is the age when the child's sex is determined, and when appropriate genitals begin to form.
d. Because this is the age after which teratogens can no longer impact the baby.
a
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When subjects who take part in a dichotic listening task are given a surprise test about information in the unattended message at the end of the experiment, they usually remember most of the key details because this information was processed subliminally during the task
Indicate whether the statement is true or false
A researcher who studies a fixed group of people over a long period of time is, by definition, using the ________ method
a) lifespan b) correlational c) cross-sectional d) longitudinal
Why does sleep efficiency drop in old age?
a) Stage 4 sleep becomes more prominent in the elderly. b) Stage 1 sleep is reduced or nonexistent in the elderly. c) Elderly people spend more time in the light stages of sleep. d) Elderly people have lower levels of sleep neurotransmitters.
In the original Stanford-Binet Intelligence Scale, the intelligence quotient (IQ) was calculated as
a. IQ = CA/MA * 100
b. IQ = 100/CA * MA
c. IQ = MA/100 * CA
d. IQ = MA/CA * 100
e. IQ = CA/100 * MA