PSYC 012 Chapter 8 Inquizitive- Exam Questions Answered Correctly Latest Update 2024 (Already Passed)
Which two validities are the most important to establish for an association claim? - Answers Most Important:
statistical validity
construct validity
Less Important:
external validity
intern...
Which two validities are the most important to establish for an association claim? - Answers Most
Important:
statistical validity
construct validity
Less Important:
external validity
internal validity
Drag each claim to the scatterplot that best represents it. - Answers Positive relation:
Eating more fast food is linked to higher cholesterol.
Negative relation:
Increased aspirin use is associated with fewer heart attacks
No relation: Hours spent listening to classical music are not associated with infant intelligence.
Fill in the blanks to complete the passage about testing association claims. - Answers An association
claim with [ two ] variables can be examined with a [ bivariate ] correlation, and the results of the test
have two primary components. The first component tells you whether the association is positive or
negative; it is referred to as [ direction ]. The second component tells you how closely the variables are
associated; it is referred to as [ strength ].
Siva is investigating an association claim between political beliefs and age. His data show a correlation of
r = .35. However, upon closer examination, Siva finds that the correlation is much stronger for men than
it is for women.
What type of variable is gender is this example? - Answers moderator
Fill in the blanks to complete the passage about statistical representations of correlations. - Answers The
term [ effect size ] describes the strength of an association between variables, and in correlations it is
typically captured by a(n) [ r value ]. The precision of the correlation estimate is captured by a(n) [ 95%
CI ].
Identify the associations as either statistically significant or not statistically significant. - Answers
Statistically significant:
, r = .65, 95% CI [.33, .97]
r = .23, 95% CI [.03, .40]
r = -.42, 95% CI [-.20, -.64]
Not Statistically Significant:
r = −.35, 95% CI [−.71, .01]
r = .25, 95% CI [−.15, .55]
r = −.41, 95% CI [−.85, .03]
Francisco is conducting an international study about a new website that is preparing to launch
worldwide. He wants to see whether men or women are more likely to be interested in the new website
so he can know which demographic to market it to.
After he collects his data, Francisco discovers that whether the men and women surveyed were from
Asia or North America changed how they responded to the website. Men from Asian countries were the
most interested in his website, whereas women from North American countries were the least
interested.
Match each variable in Francisco's study to the correct definition. - Answers independent variable:
gender
dependent variable: interest
moderator: geographic area
Vanessa is investigating the relationship between socioeconomic status and mental illness. She samples
a group of low-income participants and finds that the relationship between her two variables is very
weak.
Vanessa plots her data on this scatterplot and does not see any obvious problems with it.
What issue is most likely affecting Vanessa's results? - Answers restriction of range
Mischel et al. (1972) studied delay of gratification in preschoolers. The researchers offered preschoolers
a special reward if they could wait, or a less attractive treat if they chose not to wait. The researchers
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