The authors of the text maintain that using a null hypothesis instead of a research hypothesis as the basis of a research is
a. appropriate because it enables one to establish the existence of a zero relationship.
b. appropriate because the statistical hypothesis to be tested will be a null hypothesis.
c. inappropriate because it doesn't allow one to develop the deductive logic of the study.
d. inappropriate because null hypotheses are seldom true in populations.
C
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Which one of the following statements most accurately describes Lev Vygotsky's view of how cognitive development occurs?
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Answer the following statement true (T) or false (F)