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When participants are not aware of whether they are in the experimental or control condition, the researcher has employed a _____.
Q5: The _ definition of a variable is
Q5: In staged manipulations,a(n)_ appears to be another
Q8: Which of the following principles of the
Q17: A researcher finds that the more a
Q25: Julia observes a child's behavior after he
Q29: Which of the following is a genuine
Q40: Which section of a research article includes
Q45: A(n)_ is a statement about the expected
Q53: In _ validity,scores on the measure indicate
Q55: The null hypothesis<br>A) is used because it