ANOVA Model
R ~ Exp * Inst
names	(Intercept)	ExpLOW	InstNONE	InstSCIENTIFIC	ExpLOW:InstNONE	ExpLOW:InstSCIENTIFIC
means	-2.083	-14.517	-6.994	-4.861	20.094	23.384

ANOVA Statistics
	Df	Sum Sq	Mean Sq	F value	Pr(>F)
	1
Exp	1	0.374	0.374	0.004	0.953
Inst	1	699.854	349.927	3.33	0.041
Exp:Inst	1	2216.695	1108.348	10.548	0
Residuals	81	8511.307	105.078

Tukey Honest Significant Difference Comparisons
	diff	lwr	upr	p adj
LOW-HIGH	-0.131	-4.505	4.243	0.953
NONE-GOOD	4.148	-2.398	10.693	0.29
SCIENTIFIC-GOOD	6.904	0.462	13.347	0.033
SCIENTIFIC-NONE	2.757	-3.566	9.08	0.553
LOW:GOOD-HIGH:GOOD	-14.517	-26.106	-2.928	0.006
HIGH:NONE-HIGH:GOOD	-6.994	-18.972	4.985	0.533
LOW:NONE-HIGH:GOOD	-1.417	-12.844	10.01	0.999
HIGH:SCIENTIFIC-HIGH:GOOD	-4.861	-16.013	6.29	0.799
LOW:SCIENTIFIC-HIGH:GOOD	4.006	-7.972	15.985	0.924
HIGH:NONE-LOW:GOOD	7.523	-3.816	18.862	0.388
LOW:NONE-LOW:GOOD	13.1	2.346	23.854	0.008
HIGH:SCIENTIFIC-LOW:GOOD	9.656	-0.805	20.117	0.088
LOW:SCIENTIFIC-LOW:GOOD	18.523	7.184	29.862	0
LOW:NONE-HIGH:NONE	5.577	-5.596	16.75	0.692
HIGH:SCIENTIFIC-HIGH:NONE	2.132	-8.759	13.024	0.993
LOW:SCIENTIFIC-HIGH:NONE	11	-0.737	22.737	0.079
HIGH:SCIENTIFIC-LOW:NONE	-3.444	-13.726	6.837	0.924
LOW:SCIENTIFIC-LOW:NONE	5.423	-5.75	16.596	0.717
LOW:SCIENTIFIC-HIGH:SCIENTIFIC	8.868	-2.024	19.759	0.177

Levenes Test for Homogeneity of Variance
	Df	F value	Pr(>F)
Group	5	0.718	0.612
	81