thank you for youre help! to kin 8, wample 2 causes higher evels of umetnts arum

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thank you for youre help!

to kin 8, wample 2 causes higher evels of umetnts aruments Dr. Sparrow is a social psychologist who studies romantic relationships. Several researchers have found that there is a link between income and marital satisfaction (e.g., Dakin & Wampler, 2008). Dr. Sparrow is curious as to whether there is a causal link between the two variables, such that having a higher income causes higher levels of marital satisfaction. He is confident that he cannot reasonably or ethically manipulate people's income level, so he decides to use a multiple regression design. He is also curious as to whether there is a causal link between these two variables or if two other variables (number of arguments and life satisfaction) can explain the relationship. He measures his three variables in a sample of 124 married couples recruited from a local community center. Below are his results V: Marital Satisfaction ariable ncome umber of Arquments Significance (p) 03 01 81 eta 73 -.69 Satisfaction Given Dr. Sparrow's design, which of the following is his study best able to deal with? O a) The ethical issue of manipulating income level b) The issue of temporal precedence between his two variables O c) The issue of the third-variable problemm O d) The issue of the external validity of his findings.

Explanation / Answer

The answer is d) the issue of external validity of his findings.

this is so as the income level cannot be manipulated, so the results cannot be generalized to the other population.

So in order to make the study more valid he used number of arguments and life satisfaction as additional factors to find the resulting casual/ correlation from the study.

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