ANOVA Model
rating ~ expectation * instruction
names	(Intercept)	expectationLOW	instructionNONE	instructionSCIENTIFIC	expectationLOW:instructionNONE	expectationLOW:instructionSCIENTIFIC
means	4.067	-22.125	-14.067	-11.011	28.188	30.993

ANOVA Statistics
	Df	Sum Sq	Mean Sq	F value	Pr(>F)
	1
expectation	1	203.489	203.489	1.258	0.265
instruction	1	313.825	156.912	0.97	0.383
expectation:instruction	1	4630.996	2315.498	14.314	0
Residuals	89	14396.68	161.76

Tukey Honest Significant Difference Comparisons
	diff	lwr	upr	p adj
LOW-HIGH	-2.929	-8.117	2.26	0.265
NONE-GOOD	0.627	-6.952	8.206	0.979
SCIENTIFIC-GOOD	4.134	-3.506	11.774	0.405
SCIENTIFIC-NONE	3.507	-4.133	11.146	0.52
LOW:GOOD-HIGH:GOOD	-22.125	-35.249	-9.002	0
HIGH:NONE-HIGH:GOOD	-14.067	-27.381	-0.753	0.032
LOW:NONE-HIGH:GOOD	-8.004	-21.318	5.31	0.502
HIGH:SCIENTIFIC-HIGH:GOOD	-11.011	-23.962	1.94	0.142
LOW:SCIENTIFIC-HIGH:GOOD	-2.144	-16.181	11.894	0.998
HIGH:NONE-LOW:GOOD	8.059	-4.845	20.962	0.459
LOW:NONE-LOW:GOOD	14.121	1.218	27.025	0.024
HIGH:SCIENTIFIC-LOW:GOOD	11.114	-1.414	23.643	0.112
LOW:SCIENTIFIC-LOW:GOOD	19.982	6.333	33.631	0.001
LOW:NONE-HIGH:NONE	6.063	-7.035	19.16	0.757
HIGH:SCIENTIFIC-HIGH:NONE	3.056	-9.673	15.784	0.982
LOW:SCIENTIFIC-HIGH:NONE	11.923	-1.91	25.756	0.132
HIGH:SCIENTIFIC-LOW:NONE	-3.007	-15.736	9.722	0.983
LOW:SCIENTIFIC-LOW:NONE	5.861	-7.972	19.693	0.819
LOW:SCIENTIFIC-HIGH:SCIENTIFIC	8.868	-4.616	22.351	0.4

Levenes Test for Homogeneity of Variance
	Df	F value	Pr(>F)
Group	5	1.694	0.144
	89