Lisa asks her nine-year-old daughter Erica the following hypothetical question: "How would the world change if people woke up tomorrow and discovered they could fly?" Erica immediately responded: "But people can't fly!" Erica's answer indicates that she has not reached the stage of:
A. conservation
B. preoperations
C. concrete operations
D. formal operations
Answer: D
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In the years ahead, it is likely that lifespan development will move from a discipline primarily focused on North America and Europe to encompass development around the globe.
Answer the following statement true (T) or false (F)
Janelle inherited the allele for muscle fiber X (MFX) disorder from her mother and the normal allele for muscle fiber formation from her father. Janelle does not suffer from any variant of MFX disorder. What can we conclude?
a. Janelle’s mother has MFX disorder. b. MFX disorder is a sex-linked disorder. c. The MFX gene is dominant. d. The MFX gene is recessive.
If you give your dog a treat each time she performs a trick, you are using
A. interval reinforcement B. basic reinforcement C. partial reinforcement D. continuous reinforcement
The two major pathways along which information passes from the digestive system to the brain are through the ______.
A. medulla and thalamus B. hypothalamus and pons C. vagus nerve and blood vessels D. duodenum and kidneys