Which of the following beliefs is the BEST example of a null hypothesis (H0)?
a. “Men are smarter than women.”
b. “There is life on Mars.”
c. “Taking steroids does not help baseball players hit more home runs.”
d. “McDonald’s hamburgers taste better than Burger King hamburgers.”
c. “Taking steroids does not help baseball players hit more home runs.”
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Of the four Ps, which one means “you’re good at it”?
A. Passion B. Practicality C. Promise D. Purpose
Data in an examining category is
A. Any data gathered using quantitative methods. B. Any data gathered by analyzing existing records. C. Any data gathered through questioning or interviewing. D. Any data gathered through observation and field notes.
A researcher measures the body temperature (in degrees Fahrenheit) of participants immediately before and immediately following sleep. Temperature is on what scale of measurement?
A. nominal B. ordinal C. interval D. ratio
At which stage of development is it most appropriate to switch from one-to-one correspondence to one-to-many correspondence?
a. concrete b. concrete-pictorial c. pictorial-abstract d. abstract