A dependent-samples t-test was used to analyze the data. Results showed that the satisfaction scores of the 20 employees significantly increased after the intervention (MD= 2.90, SDD=1.48) (t(19)= 8.74, p<.05, d=1.96)." Based on the information above, what can be concluded about this study? Not enough information. Must run a post-hoc follow up test. Satisfaction was increased by 2.90 units after the intervention. The results are not significant. The effect size is small