According to Piaget, the stage at which people develop the ability to think abstractly is called
a) concrete operational stage.
b) preoperational stage.
c) formal operational stage.
d) theory of mind.
c
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Positron Emission Tomography (PET) differs from Magnetic Resonance Imaging (MRI) in that a PET scan:
A. studies the structure of the brain B. studies activity in the brain C. uses radio frequencies D. identifies spinal cord injuries
A researcher watches children on a playground to obtain measurements of their level of activity. Then the researcher watches the children's caregivers on the playground to obtain measurements of their level of verbal reprimanding of children. The researcher hopes to demonstrate that the caregivers verbal reprimanding is related to children's activity level. This researcher is using a ____
research strategy. a. descriptive b. correlational c. experimental d. scientific
Jane and John were always able to leave baby Rebecca with a baby-sitter, but now, at 6 months of age, she begins to cry loudly when they leave. This separation anxiety indicates that Rebecca:
a. is somewhat delayed in her development b. must have suffered some type of birth defect c. has formed a close attachment with her parents d. will be a child who always clings to her parents
A conditioned stimulus (CS) is a stimulus that elicits a response from an organism prior to conditioning
Indicate whether the statement is true or false