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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