In regular, chessboard-like patterns of different coloured items, the effect of the early vision was less salient than in the case of structures with randomly dispersed colours.
For 12 items, the effect of the violation of equal factor loadings was more pronounced, with the power of the sum-score model being 39 78% of the power of the true latent factor model.
For most single items the effect of type and severity varied with region and consequently results for each region are reported separately.
Of 30 PANSS items, the effect of CBT for psychosis were most pronounced on persecution, delusions (positive symptoms), emotional withdrawal, passive social withdrawal (negative symptoms), and depression and active social avoidance (general psychopathology).
Marx et al noted that if multiple questionnaires were administered, each consisting of numerous items, the effect of memory may be minimized and the effect of memory may be greater if only a single questionnaire was used [ 52].
However, controlling for depression (CES-D minus the loneliness item), the effect of loneliness was not significant.
The degree of difficulty in performing a variety of daily physical activities because of arm, shoulder or hand problems is determined (21 items), as well as the severity of pain, activity-related pain, tingling, weakness and stiffness (5 items), and the effect of the upper-limb problems on social activities, work, sleep and self-image (4 items).
40 For the 34-item scale, the effect of item removal on consistency scores was analysed.
The main part of the questionnaire, the DASH disability/symptoms score, contains 30 items: 21 items about the ability to perform certain physical activities, 5 items about the severity of pain, activity-related pain, tingling, weakness and stiffness and 4 items concerning the effect of the upper extremity problem on social activities, work, sleep and self-image.
They completed the WORC, a self-report questionnaire, which has 21 items on the effect of the rotator cuff problem on symptoms, activities and emotions.
Those 2 items evaluated the effect of a medicine, one presenting information as a fraction and the other as a natural frequency.
