Skip to main content
. 2021 May 28;10(11):2396. doi: 10.3390/jcm10112396

Table 4.

Reliability of the RPQ: Comparison of the CENTER-TBI results with the values from the original English validation study in the field of TBI.

RPQ CENTER-TBI 1 Original English Version 2
Dutch * English Finnish * French * German Italian * Norwegian Spanish * Swedish * TBI
N 597 223 213 115 80 268 263 254 59 41
Cronbach’s alpha 0.93 0.92 0.92 0.92 0.89 0.91 0.92 0.92 0.89 -
N 597 223 213 115 80 268 263 254 59 -
Split-half or test–retest reliability 3 0.94 0.95 0.95 0.94 0.93 0.94 0.93 0.92 0.82 0.90

Note. * Instruments translated and linguistically validated for the CENTER-TBI study. 1 Reliability coefficients (CENTER-TBI study sample). 2 Reliability coefficients from the original English validation of the RPQ in a TBI sample [30]. 3 Split-half reliability (CENTER-TBI data), test–retest reliability (original validation study); N = number of cases; values in bold represent at least satisfactory reliability (≥0.70).