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Table 2 IRT Parameters for each item of the translated TIL Scale estimated in GPCM (Sample 1)

From: Development of the Japanese version of the three-item loneliness scale

  Slope Location Category 1 Category 2
1. I feel that I lack companionship. 0.983 (0.055) 0.077 (0.049) 0.986 (0.053) -0.986 (0.053)
2. I feel left out. 1.967 (0.181) 0.676 (0.041) 0.769 (0.029) -0.769 (0.029)
3. I feel isolated from others. 3.354 (0.529) 0.294 (0.038) 0.701 (0.022) -0.701 (0.022)
  1. Values in parentheses indicate standard errors of the estimates