A measure of ________ is a number that characterizes the amount of spread in a distribution of scores.
A. variability
B. effect size
C. central tendency
D. correlation
Answer: A
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Jared just completed a course in Chinese history. Based on knowledge about the curve of forgetting, we can predict that:
A) most of what Jared will forget about the Chinese dynasties will occur in the first few years after completing the course. B) Jared will forget most of the material at a constant rate over time. C) Jared will experience a sudden spike in forgetting beginning around 4 years after course completion. D) the rate at which Jared forgets the course material will increase over time.
Twenty-month-old Hans is thinking carefully before pulling a pot out of the kitchen cupboard, because the last time he did this all of the pans fell out and made a loud crashing sound. In which of the following behaviors is Hans engaging?
acquired adaptation making interesting sights last active experimentation making mental combinations
An appropriate treatment goal for a child with autism is
A. resolution of all autistic symptoms by age 18. B. immediate cessation of ritualistic behaviors. C. development of normal social skills by age 18. D. reduction in tantrums and eventual development of some self-care activities.
Describe a Vygotskian early childhood classroom. How does it differ from a Piagetian classroom?
What will be an ideal response?