13) A researcher wants to examine predictors of relationship satisfaction. She m
ID: 3157990 • Letter: 1
Question
13) A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
What is the independent variable(s)?
14) A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
What is the dependent variable?
15) 15. A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
Which statistical test is most appropriate?
16) I want to know if GPA is related to SAT scores.
Which statistical test is most appropriate?
17) A researcher wants to know if her sample of students test scores (M = 87) differ from other college students (µ = 85, s = 5).
Which statistical test is most appropriate?
18) A researcher wants to know if the number of males and females in her class is the same as what we would expect by chance.
Which statistical test is most appropriate?
Explanation / Answer
13) A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
What is the independent variable(s)?
There are three: (1) length of relationship, (2) respect toward partner, and (3) frequency of conflict.
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14) A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
What is the dependent variable?
It is: relationship satisfaction. [ANSWER]
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15) 15. A researcher wants to examine predictors of relationship satisfaction. She measures length of relationship, respect toward partner, and frequency of conflict.
Which statistical test is most appropriate?
This is a multiple regression, one may use an F test for multiple regression.
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16) I want to know if GPA is related to SAT scores.
Which statistical test is most appropriate?
This is a regression, so one may use a t test for regression in that case.
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17) A researcher wants to know if her sample of students test scores (M = 87) differ from other college students (µ = 85, s = 5).
Which statistical test is most appropriate?
As there is just one sample, then she can use a one-sample t test. [ANSWER]
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18) A researcher wants to know if the number of males and females in her class is the same as what we would expect by chance.
Which statistical test is most appropriate?
As we are concerned about proportions of males, then we use a one-sample proportion z test. [ANSWER]
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