Measurement | Goal | Description | Score ranges | Scoring | Duration | Time point | Psychometric properties |
---|---|---|---|---|---|---|---|
Standard SHCS: CHILD form [37] | To measure behavioural responses to hypnotic suggestions for children aged 6–16 years | - Relaxation/eye closure induction; - 7 test suggestions for time regression, visualisation, ideomotor responses, and post-hypnotic suggestions to re-enter hypnosis at hand clapa | 0–7: - Low: 0–2; - Medium: 3–5; - High: 6–7 | - 0 if absent or negative behavioural response, - 1 if positive behavioural response [37] | 20 mins | Just before and during the 1st dressing change | - Moderate correlation with the Stanford Hypnotic Susceptibility, Form A scale: r = 0.67 [37] - Established concurrent validity [37] |
Modified SHCS: CHILD form [37] | To measure behavioural responses to hypnotic suggestions for children aged 4–8 years | - Active induction in which eyes can be open; - 6 test suggestions for time regression, visualisation, and ideomotor responses | 0–6: - Low: 0–1; - Medium: 2–4; - High: 5–6 | ||||
Involuntariness numeric scale [39] | To rate involuntariness and automaticity experienced during the responses to SHCS: CHILD suggestions | Age-appropriate question reworded to children’s age regarding experienced involuntariness during responses to SHCS: CHILD items (did that feel like you made that happen or that it happened by itself?)b | Mean of items scores | Score ranging from 0 (no response), 1 (voluntary response to suggestions) to 5 (involuntary-automatic enactment) for each SHCS: CHILD test item | 10 mins | During the 1st dressing change | - Good internal consistency (αs: 0.76–0.86) [40] - Adequate construct validity: moderate correlation of involuntariness scores with scores on a standardised hypnotic suggestibility scale (r = .49, p < .001, 95% CI = [.31, .65], n = 58) [41] |