Random assignment to groups helps to ensure that _____.
A. participants do not know to which group they belong
B. researcher bias does not skew experimental results
C. only a single difference exists between experimental groups
D. a researcher's hypothesis cannot be disproved
Answer: C
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Lev Vygotsky called the gap between children's ability to solve a problem independently and their ability to solve it with the help of more capable partners __________.
A. the zone of proximal development B. scaffolding C. fast mapping D. guided participation
Who is an example of someone using the most common way of dealing with death anxiety?
a. Jean, who is becoming more fearful the older she gets b. Martin, who lives life to the fullest c. Norma, who seeks professional counseling d. Louis, who becomes more committed to his church
US government guidelines for animal research state that:
a. animals may not be subjected to pain under any circumstances. b. animals undergoing surgical procedures must be properly anesthetized. c. only trained psychologists may use animals in research. d. all of these
Microtubules are the largest type of fibers found in the neural cytoskeleton.
Answer the following statement true (T) or false (F)