Question

ANOVA
Essay Mark (%)
	Sum of Squares	df	Mean Square	F	Sig.
Between Groups	1619.229	3	539.743	56.767	.000
Within Groups	389.831	41	9.508
Total	2009.060	44

• Next, in your own words write out a one-tail hypothesis regarding your One-Way ANOVA model. The one tail hypothesis is that there is a significant difference in mean scores between Essay mark and grade level. The null hypothesis hypothesis is that there is no significant difference between the essay mark and grade level. Also, the null hypothesis states that the means are all equal.

1. Next, tell me in your own words if the one way ANONA test statistic tells you that you can “reject the Null of hypothesis of XXXXXX ” and “accept the alternative hypothesis of mean differences exist.”   Too, tell me which group(s) have statistically significant mean differences?

• Finally, briefly tell me in your own words how you might teach another social worker about One Way ANOVA analysis and how you might teach them to interpret SPSS ANOVA outputs.  

Answer 1

if we have more than two group the ANOVA only gives us the overall comparisons of means i.e the all means are statistically significant means or not. It not showing the which means are significant effect. If want know about the which group has significant means we can analyze it by using post hoc test in ANOVA. The post hoc test gives us the pairwise comparisons which groups has significant effect.