This SPSS project explores the correlation and prediction between the number of hours spent on social media and college GPA. Descriptive statistics, correlation test, and regression analysis are conducted to support the research hypotheses.
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Running head:[Shortened Title up to 50 Characters]1 SPSS project : Correlation & Prediction
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[Shortened Title up to 50 Characters]2 SPSS project : Correlation & Prediction PART A Null & research hypotheses1 Null hypothesis: There is no significant relationship between the number of hours spent by students on social media and their college GPA. Research hypotheses: There is a significant relationship between the number of hours spent by students on social media and their college GPA. Appropriate measure of central tendency Statistics Number of hours spent on social media NValid100 Missing0 Mean3.83 Median4.00 Mode4 Sum383 Statistics College GPA NValid100 Missing0 Mean3.009 Median3.000 Mode3.0 Sum300.9
[Shortened Title up to 50 Characters]3 Additional statistics One-Sample Statistics NM ean Std. Deviation Std. Error Mean Number of hours spent on social media 1 00 3. 831.477.148 College GPA1 00 3. 009.5891.0589 One-Sample Test Test Value = 0
[Shortened Title up to 50 Characters]4 tdfSig. (2-tailed) Mean Difference 95% Confidence Interval of the Difference LowerUpper Number of hours spent on social media 25.92399.0003.8303.544.12 College GPA51.07499.0003.00902.8923.126 Effect size using Cohenās D = Mean difference / Standard deviation Number of hours spent on social media = 3.830/1.477 = 2.59 College GPA = 3.0090/.5891 = 5.10 If the calculated Cohenās D is more than .80 then the effect size is large which lowest possibility of errors. Correlation test Correlations Number of hours spent on social media College GPA Number of hours spent on social media Pearson Correlation1-.809** Sig. (2-tailed).000 N100100 College GPA Pearson Correlation-.809**1 Sig. (2-tailed).000 N100100 **. Correlation is significant at the 0.01 level (2-tailed). The reason behind selecting Bivariate correlation test is to compute whether the two variables (scale) has positive or negative relationship with each other. Both the variables i.e., Number of hours spend on social media and GPA are scalable variables for which this test is most appropriate.
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[Shortened Title up to 50 Characters]5 Procedure & results Procedure: The given SPSS data has two variables which is taken from 100 hypothetical students. These variables are the Number of hours spent on social media by students and their GPA. A research hypothesis is developed in this report which state that there is a significant relationship between these two variables. To test this hypothesis, correlation test has been conducted which is also supported by their effect size and descriptive statistics. Results: From the correlation test conducted, it has been seen that significance level is computed from the software of SPSS as -.809. It is considered that if the significance is less than -0.1 then there is negative relationship between these variables. In simpler worlds, if the number of hours spend on social media increases, the GPA of those students will decrease and vice versa. This implies that research hypothesis is true and there is a relationship between these two variables. PART B Null & research hypotheses Null hypothesis: Number of hours spent on social media by students cannot help in predicting their GPA. Research hypotheses: Number of hours spent on social media by students can help in predicting their GPA Appropriate measure of central tendency Statistics Number of hours spent on social media NValid100 Missing0
[Shortened Title up to 50 Characters]6 Mean3.83 Median4.00 Mode4 Sum383 Statistics College GPA NValid100 Missing0 Mean3.009 Median3.000 Mode3.0 Sum300.9
[Shortened Title up to 50 Characters]7 Additional statistics One-Sample Statistics NM ean Std. Deviation Std. Error Mean Number of hours spent on social media 1 00 3. 831.477.148 College GPA1 00 3. 009.5891.0589 One-Sample Test Test Value = 0 tdfSig. (2-tailed) Mean Difference 95% Confidence Interval of the Difference LowerUpper Number of hours spent on social media 25.92399.0003.8303.544.12 College GPA51.07499.0003.00902.8923.126 Regression Coefficientsa ModelUnstandardized Coefficients Standa rdized Coefficients tSi g. BStd. Error Beta 1 (Constant)4.245.0974 3.742 .0 00 Number of hours spent on social media-.323.024-.809- 13.643 .0 00 a. Dependent Variable: College GPA
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[Shortened Title up to 50 Characters]8 The rationale behind conducting this regression analysis is to analyses whether prediction using one variable of another variable can be done or not. In other words, this analysis is conducted to determine whether GPA can be predicted by looking over number of hours spend on social media. Procedure & results Procedure: A research hypothesis is developed in this report stating GPA of a student can be predicted using number of hours spend by that student at social media. For this a regression analysis is conducted which is supported by effect size and scatter plot with regression equation. Results: From the performed analysis, it hasbeen analyzed that prediction can be done using the prediction equation of āy = mx + cā. In this case y = GPA c = constant So, in the case where number of hours spend on social media is 8 then its GPA score will be: GPA score =-.323* 8 +4.245=1.661 By the above computation, it can be said that prediction can be done. So, the research hypothesis is true that GPA score of students can be predicted using the information of number of hours spend by them on social media.