Raj thinks people are more polite on sunny days than on rainy days, so he begins collecting data on people’s interactions with each other and the weather. His null hypothesis
a. Is that people will be more polite on sunny days
b. Is that people will be less polite on sunny days
c. Is that people’s politeness is not related to the weather
d. Cannot be determined from the information provided
Ans: C
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Contrary to popular opinion, most leaders are young, ethnic women.
a. True b. False
Of the following ethnic groups, which is most likely to be diagnosed with schizophrenia in the United States?
a. Anglo American b. Native American c. Hispanic American d. African American
Answer the following statements true (T) or false (F)
1 A random sample means that every member of the population has an equal chance of being included for study 2 A random sample means that every participant has an equal chance of being assigned to the treatment group or the control group 3 Most psychological research does not utilize random sampling 4 Most participants in psychological research are volunteers, as opposed to participants who are selected randomly 5 The scientific method was first formally described by Francis Bacon
The aqueous and vitreous humors differ in that the a. aqueous humor is replenished and the vitreous humor is not
b. vitreous humor is replenished and the aqueous humor is not. c. aqueous humor nourishes the cornea, whereas the vitreous humor nourishes the lens. d. vitreous humor nourishes the cornea, whereas the aqueous humor nourishes the lens.