Question 1
Which of the following could be an example of a primary circular reaction?
◦ an infant wiggling his arms and legs back and forth
◦ an infant crying when she is placed down in her crib
◦ an infant batting at her father's glasses
◦ an infant banging a spoon against a pot
Question 2
Based on research on infant memory, the best strategy for a childcare provider to use to help a young infant remember her after a week-long vacation is to:
◦ use the child's name frequently prior to the vacation. Even at this age, an infant's memory is enhanced by verbal labels.
◦ help the infant create a spatiotemporal map in which features of the environment - the decorations, spatial arrangement, and the people in it - remain the same before and after the vacation.
◦ wait for the child to mature. Infants of this age cannot recall people - except for primary caregivers - for longer than two days.
◦ use a lot of language with the infant just before the vacation. Infants rely on auditory cues in memory more than visual ones.
Some organisms used as models in genetic research
The cranium of a young infant changes dramatically in shape with age. Initially the child has severa
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For a particular cell based on the reaction:3 AgCl(s) + Al(s) → 3 Ag(s) + Al3+(aq) + 3 ...
RESEARCH TECHNIQUE