Project measure / variable:   Jentsch2   discrimination2_FR2

ID, description, units MPD:49718   discrimination2_FR2   Fixed ratio 2 - discrimination index between active and inactive levers   [%]  day 2  
cocaine study
Data set, strains Jentsch2   BXD   4 strains     sex: both     age: 8-17wks
Procedure operant conditioning chamber
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  STRAIN COMPARISON PLOT
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Jentsch2 - Fixed ratio 2 - discrimination index between active and inactive levers day 2



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested2 strains4 strains
Mean of the strain means92.0   % 89.9   %
Median of the strain means92.0   % 88.6   %
SD of the strain means± 0.283 ± 3.15
Coefficient of variation (CV)0.00307 0.0350
Min–max range of strain means91.8   –   92.2   % 87.9   –   94.6   %
Mean sample size per strain4.5   mice 8.0   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 7.3071 7.3071 0.1756 0.6799
strain 1 54.1156 54.1156 1.3006 0.2683
sex:strain 1 36.3774 36.3774 0.8743 0.3615
Residuals 19 790.5551 41.6082


Q-Q normality assessment based on residuals

  


  STRAIN MEANS (UNADJUSTED)
  
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Strain Sex Mean SD N mice SEM CV Min, Max Z score
BXD31/TyJ m 87.9 8.96   7 3.39 0.102 79.2, 100.0 -0.64
BXD38/TyJ f 91.8 6.73   7 2.54 0.0733 80.3, 100.0 -0.71
BXD38/TyJ m 94.6 6.47   10 2.04 0.0683 79.5, 100.0 1.48
BXD42/TyJ m 88.2 9.08   11 2.74 0.103 73.8, 100.0 -0.55
BXD68/RwwJ f 92.2 5.75   2   4.07 0.0624 88.1, 96.2 0.71
BXD68/RwwJ m 89.0 6.05   4 3.02 0.0679 83.7, 96.4 -0.29


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
BXD38/TyJ f 91.7757 2.438 96.8786 86.6728
BXD38/TyJ m 94.623 2.0398 98.8924 90.3536
BXD68/RwwJ f 92.165 4.5611 101.7116 82.6184
BXD68/RwwJ m 89.0025 3.2252 95.753 82.252


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
BXD38/TyJ both 93.1994 1.5894 96.526 89.8727
BXD68/RwwJ both 90.5837 2.7931 96.4298 84.7377




GWAS analysis not available: SNP data is not available for enough strains (at least 4)