A(n) ____________________ is a research method in which the researcher manipulates a variable under carefully controlled conditions and measures whether any changes occur in a second variable
Fill in the blank(s) with correct word
experiment
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A researcher is interested in whether students who are musicians have higher intelligence test scores than students in the general population. The researcher predicts that playing a musical instrument is associated with higher intelligence test scores. This is a _____-tailed test and the zcv is _____
a. two; ±1.96 b. one; ±1.65 c. two; ±1.65 d. one; ±1.96
Which statement is most accurate regarding the human need for affiliation?
a. People tend to prefer as much social contact with others as possible. b. There is little variation between individuals when it comes to desired level of social contact. c. People are motivated to maintain an optimum balance of time alone and social contact. d. On average, men in individualistic cultures desire more social contact than do women, but in collectivistcultures, women prefer more than men.
In a famous speech given in 1926, John B. Watson made the following claim:
Give me a dozen healthy infants, well-formed, and my own specified world to bring them up in and I’ll guarantee to take any one at random and train him to become any type of specialist I might select—a doctor, lawyer, artist, merchant-chief, and yes, even into beggarman and thief, regardless of his talents, penchants, tendencies, abilities, vocations, and race of his ancestors. Place this statement in historical perspective. Do you agree or disagree? Explain your reasoning. What will be an ideal response?
Males' sex chromosome pair includes two X chromosomes.
Answer the following statement true (T) or false (F)