Researchers investigated whether there is an association between daily social media usage (High vs Low) and self-reported anxiety levels (High vs Low) in teenagers.
The calculated value of chi-square (χ2\chi^2χ2) is 1.152. For this study, the degrees of freedom (dfdfdf) = 1.
Write the significance statement at the 5% level of probability for this study, using the table of critical values below.
| Degrees of freedom (dfdfdf) | p=0.5p = 0.5p=0.5 | p=0.05p = 0.05p=0.05 | p=0.01p = 0.01p=0.01 |
|---|---|---|---|
| 1 | 0.455 | 3.841 | 6.635 |
| 2 | 1.386 | 5.991 | 9.210 |
| 3 | 2.366 | 7.815 | 11.345 |
| 4 | 3.357 | 9.488 | 13.277 |
| 5 | 4.351 | 11.070 | 15.086 |
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.