During Piaget's third stage of cognitive development, called the concrete operational stage (ages 6-11), children
A. develop the ability to realize that objects still exist when they are not being sensed.
B. gain the ability to reason about abstract concepts and problems.
C. gain the ability to systematically solve problems without resorting to trial and error.
D. develop the ability to perform mental operations on real, or concrete, objects and events.
Answer: D
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Regarding lifestyle diseases and behavioral risk factors, which of the following statements is FALSE?
a. Seventy percent of all medical costs are related to just six of the major behavioral risk factors. b. Smoking is currently the main cause of preventable deaths in the United States. c. A person who is overweight at age 20 can expect to lose five to 20 years of life expectancy. d. All people who exhibit behavioral risk factors have a general disease-prone personality type.
Gerald has difficulty falling off to sleep. Harley can fall off to sleep easily but often wakes up early. Dale typically sleeps for 10 hours. All three are tired and not rested upon rising. Who seems to be experiencing insomnia?
a. Gerald b. Harley c. Dale d. All three suffer from insomnia.
Describe examples of rehearsal, chunking, and elaboration strategies used by a child and the same strategies used by an adult.
What will be an ideal response?
Formalin is useful in histology because it
A) softens the brain tissue for slicing. B) halts the enzyme process that breaks down brain tissue after death. C) quickly removes blood from the gut. D).stains for neuron nuclei. E) .bleaches the brain tissue.