In other words, we estimate the mean scores in RV, PD, BD and ND for the GC approach to be anywhere from 4.25 points less than to 7.21 points more than the mean scores, from 4.885 points less than to 10.40 points more than the mean scores, 7.34 less than to 12.31 point more than the mean scores and from 7.41 points less than to 13.25 points more than the mean scores, respectively for the conventional approach.