An uncontrolled extraneous variable is
a. a confound
b. internally valid
c. externally valid
d. a subject variable.
a
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In some people, large deposits of beta-amyloid collect and form , contributing to the development of neurofibrillary tangles and
a. plaques; neurotransmitter changes b. neurotransmitter changes; plaques c. amyloid proteins; beta carotene d. neurogenic plaques; transmitter charges
Which of the following is a necessary conditionfor forming a secure attachment between an
infant and his/her mother? a. Physical contact immediately after birth b. The development of synchrony between infant and mother c. Having the infant stay with the mother following birth rather than going to a hospital nursery d. Having the mother do most of the caregiving the first few weeks following the birth
Ronaldo is 20 years older than his co-worker Maxine, both of whom only speak English. Compared to Maxine, Ronaldo is likely to know
A. fewer words. B. more words. C. more phonemes. D. fewer phonemes.
Within 30 mins. after LTP =, structural changes occur at the synapse such as increased numbers of___on dendrites that make the neuron more sensitive and transport of___receptors from the dendrites into the spines.
Fill in the blank(s) with the appropriate word(s).