t(64) = -2.11, p = .039. Calculation of Cohen’s d indicated the presence of a small effect size, d =.26, 95%CI [.01, .50]. ? Draw a conclusion. Is the effect potentially important? QUESTION 5 (Needs bibliography review) Explain the advantage of reporting effect sizes in addition to significance levels. (20 marks) ? What is statistical significance? ? What is effect size?
INSTRUCTIONS ON ASSESSMENT: QUESTION 1 A researcher is interested in the relationships between the following four variables: On-line game addiction, narcissistic personality traits, self-control,…