please help.

Suppose that your team has been analyzing data 'om an impact evaluation that used a posttest- only control group design. There were 22'? participants in the treatment group, and 236 in the control group. The key outcome is a scale score measuring social support. In the dataset, the experimental group variable is named TREAT, and takes the value 0 for control group members and l for treatment group members; while the outcome variable is named SOCSUPP. A member of your team used SPSS to conduct a two-sample Host, and you have been presented with the output appearing in Appendix 4 How would you quantify the estimated effect of the intervention in terms of a mean difference and does the statistical test provide support for the effectiveness of the intervention? Appendix 4. 3135 Output for Question 35. Grou: Statistics _-nm Grou- Std. Deviation Mean Su - rl Scale 1.00 22? 24.4558 4.94920 .32849 LamnesTest for Equality of t -test for Equality of Means Variances 95% Condence Interval of the Drerence Sig. . (2- ' Lower Upper tailed) ' SOCSUPP Equal .467 461 .15]r . .44248 Social variances . Support assumed Support Equal - 454.6 ,158 . .4431? Scale variances . 28 not assumed