Samantha and Thomas share the exact same birthday and were born to the same mother and father. These twins share many of the same interests yet they are of different genders. Samantha and Thomas are __________ twins
a) dizygotic
b) monozygotic
c) dominant
d) recessive
Answer: a
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The process involved in forming a new mental representation by manipulating available information is known as
a. thinking. b. cognition. c. intelligence. d. schema formation. e. conceptualizing.
When Demeter gives little Persephone some toy farm animals, a toy tractor, and a toy car, he notices that she tends to play more with the animals. This shows that Persephone is engaging in
A) memory. B) pretend play. C) categorization. D) habituation.
In tests and measurements, ____________ is the term for the degree to which a test measures
what it is intended to measure. a. validity c. reliability b. accuracy d. congruence
Which waves are found in the greatest number of sleep stages?
A. sleep spindles B. theta waves C. delta waves D. beta waves