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Table 1 Results of testing validity and reliability of collected data

From: Green DIY store choice among socially responsible consumer generations

Dimension Items αa >  0,7 KMOb > 0,7 χ2; df; pc Eigenvalue % variance
Education on environmental protection and social responsibility 6 0.899 0.874 2168.58; 10; **** 3.564 71.28
Penchant for rational use of resources 5 0.852 0.884 1818.007; 21; **** 3.717 53.10
Sacrifice for the sake of environmental protection 3 0.758 0.763 692.194; 6; **** 2.316 57.91
Social responsibility measures 3 0.849 0.879 1874.200; 21; **** 3.708 52.97
Green DIY store choice 5 0.921 0.821 1981.211; 32; **** 3.324 61.43
  1. aCronbach’s α coefficient (checking data reliability)
  2. bKaiser-Meyer-Ohlin criterion (exploratory factor analysis) for each dimension
  3. cBartlett’s test of sphericity (χ2 hi square, df – degrees of freedom, p – probability; ****p < 0,001; *** p < 0,01; ** p < 0,05; * p < 0,1)
  4. Source: own research