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Table 4: Calculation of the relative and absolute G-coefficient for the whole instrument (σ2 P = Variance component for the factor person); σ2P.I:S = Variance component for the interaction between the factor person and the factor items (items nested within the levels of the factor scale; nS = Number of subscales; nI = Number of items)

Table 4: Calculation of the relative and absolute G-coefficient for the whole instrument (σ<sup>2</sup>
<sub>P</sub> = Variance component for the factor person); σ<sup>2</sup><sub>P.I:S</sub> = Variance component for the interaction between the factor person and the factor items (items nested within the levels of the factor scale; n<sub>S</sub> = Number of subscales; n<sub>I</sub> = Number of items)