MPD: Project measures / variables set: CSNA01 VR2active

Project measures / variables set: CSNA01 VR2active

ID, description, units	MPD:60211 VR2active variable ratio 2 (VR2), active lever presses, 8 h test [n] sucrose study
Measures	• day 1 • day 2 • day 3 • across 3 days
Data set, strains	CSNA01 HMDP 91 strains sex: m age: 7-22wks
Procedure	operant conditioning chamber
Comparison	timecourse, same cohort
Ontology mappings	VT:0001422 drinking behavior trait VT:0004209 sweet taste sensitivity trait MA:0001591 taste bud MP:0002803 abnormal operant conditioning behavior

Values Means Δ Means Z-scores

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CSNA01 - variable ratio 2 (VR2), active lever presses, 8 h test

ANOVA Summary "within" = Within error "between" = Between Error (Animal ID)

Factor	DF	Sum of squares	Mean sum of squares	F value	p-value (Pr>F)
between strain	86	1246702.6363	14496.5423	3.3587	< 0.0001
between Residuals	230	992719.3174	4316.1709
within group	2	50604.9359	25302.4679	48.7685	< 0.0001
within group:strain	172	95676.6899	556.2598	1.0721	0.2834
within Residuals	460	238661.0409	518.8283

Q-Q normality assessment based on residuals

INDIVIDUAL MEASURES

Project	ID		Treatment	Measure / Variable Description	Panel	Strains tested	Sex	Age
CSNA01	60211	operant conditioning chamber	sucrose	variable ratio 2 (VR2), active lever presses, 8 h test [n] day 1 VR2activeD1	HMDP	91	m	7-22wks
CSNA01	60212	operant conditioning chamber	sucrose	variable ratio 2 (VR2), active lever presses, 8 h test [n] day 2 VR2activeD2	HMDP	91	m	7-22wks
CSNA01	60213	operant conditioning chamber	sucrose	variable ratio 2 (VR2), active lever presses, 8 h test [n] day 3 VR2activeD3	HMDP	91	m	7-22wks
CSNA01	60214	operant conditioning chamber	sucrose	variable ratio 2 (VR2), active lever presses, 8 h test [n] across 3 days VR2active	HMDP	91	m	7-22wks	(supplemental / summary measure)