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Category > Psychology Posted 18 May 2017 My Price 12.00

Research Methods and Data Analysis in Psychology I

Research Methods and Data Analysis in Psychology I (PSY: 2811)
Homework #7 (8 points)
This homework is due by 11:59pm the night before your Discussion section next week. Submit your answers by
saving this page as “yourname.docx” and submit your document as a file upload under the Homework 7
assignment on Canvas.
You should download and use the data file called “RM1_surveydata_win.sav” to complete the homework.
1. Use “select cases…” to filter the sample to only those that have Instagram accounts. Run a linear regression
to test whether people that have more Instagram followers get more likes on their posts. Indicate statistics
results below (1 point each):
R2 = _______________
Interpretation of R2 in words: Regression equation intercept: _______________
Interpretation of intercept in words: Regression beta coefficient for the independent variable: _______________
Interpretation of beta coefficient in words: 2. Compare and contrast the Pearson correlation between number of Instagram followers and Instagram likes
with the beta coefficient. Please indicate the Pearson coefficient and how your interpretation is similar and
how it is different (2 points). Please do not compare the p-values, compare the beta coefficient with the
Pearson correlation. Extra Credit (2 points): What criteria for a causal relationship have we satisfied with this analyses (1 point) and
why? (1 point)

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SuperTutor
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Status NEW Posted 18 May 2017 07:05 AM My Price 12.00

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