Elena conducted an investigation into social conformity and calculated a chi-squared test on her data. She obtained a calculated/observed value of 6.84 with degrees of freedom (dfdfdf) = 3.
Explain whether Elena's results were significant for a one-tailed (directional) hypothesis when p≤0.05p \le 0.05p≤0.05.
| Level of significance for a one-tailed test | ||||||
|---|---|---|---|---|---|---|
| 0.10 | 0.05 | 0.025 | 0.01 | 0.005 | 0.0005 | |
| Level of significance for a two-tailed test | ||||||
| df | 0.20 | 0.10 | 0.05 | 0.025 | 0.01 | 0.001 |
| 1 | 1.64 | 2.71 | 3.84 | 5.02 | 6.64 | 10.83 |
| 2 | 3.22 | 4.61 | 5.99 | 7.38 | 9.21 | 13.82 |
| 3 | 4.64 | 6.25 | 7.82 | 9.35 | 11.35 | 16.27 |
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.