Probability and significance 0.0 / 5 ? PsychologyResearch methods and techniquesA2/A-levelAQA Created by: charliedeeCreated on: 20-10-16 15:11 Level of significance The usual level of significance in psychology is 0.05 or 5% - P ≤ 0.05. 1 of 3 Type 1 error Level of significance is too lenient (0.10) Accept alternative hypothesis - reject null when there is no relationship. 2 of 3 Type 2 error Reject alternative hypothesis and accept null hypothesis. When there is no relationship. Level of significance is too strict (0.01). 3 of 3
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