| Study | Kross et al. (2013): study US 2008 |
| Title | Facebook Use Predicts Declines in Subjective Well-Being in Young Adults. |
| Source | Open Access, 2013, Plos One, Vol. 8, 1 - 7 |
| URL | http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0069841 |
| DOI | DOI: 10.1371/journal.pone.0069841 |
| Public | Facebook users, Ann Arbor, Michigan, followed 14 days, USA, 2013 |
| Sample | Non-probability purposive sample |
| Non-Response | |
| Respondents N = | 82 |
| Correlate | |
| Author's label | Pre/Post life satisfaction |
| Page in Source | Page 3 |
| Our classification | Recent happiness (< 1 year ago) |
| Operationalization | Below are five statements that you may agree or disagree with. Using the 1 - 7 scale below, indicate your agreement with each item by placing the appropriate number on the line preceding that item. Please be open and honest in your responding. _ In most ways my life is close to my ideal. _ The conditions of my life are excellent. _ I am satisfied with my life. _ So far I have gotten the important things I want in life. _ If I could live my life over, I would change almost nothing. 7 - Strongly agree 6 - Agree 5 - Slightly agree 4 - Neither agree nor disagree 3 - Slightly disagree 2 - Disagree 1 - Strongly disagree |
| Observed Relation with Happiness | ||
| Happiness Measure | Statistics | Elaboration/Remarks |
| A-AOL-mi-sqr-ol-101-a | r=+.55 p < .001 | T1 life satisfaction by T1-T2; average mood. |
| A-AOL-mi-sqr-ol-101-a | r=+.66 p < .001 | T1-T2 average happiness in the moment by T2 life satisfaction. |
| Code | Full Text |
| A-AOL-mi-sqr-ol-101-a | Selfreport on single question text messaged 5 times a day How do you feel right now? 0 very positive : : : : 100 very negative |
| Symbol | Explanation |
| r | PRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient') Type: test statistic. Measurement level: Correlate: metric, Happiness: metric Range: [-1; +1] Meaning: r = 0 « no correlation , r = 1 « perfect correlation, where high correlate values correspond with high happiness values, and r = -1 « perfect correlation, where high correlate values correspond with low happiness values. |