Figure 1.
![Stages and steps in testing the content validity of the MI practice self-assessment questionnaire.
Legend: [] – numbers in brackets define steps in testing content validity;MIQ 1.0/2.=/3.0 – version of MI questionnaire](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/658c172179f7550bc9ea1b9a/j_sjph-2024-0007_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251105%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251105T020813Z&X-Amz-Expires=3600&X-Amz-Signature=a3a9ece5c9661997f8783290438d475f4bb463da3d35ad08e39a9dc3360ebb72&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
The content validity of the measurement instrument as a whole and by specific MI elements, with the universal agreement of experts (S-CVI-UA)_
| MI scale/element | S-CVI-Ave1 | |||
|---|---|---|---|---|
| RELEVANCE of the question | UNDERSTANDABILITY of the question | COMPLETENESS of response options | MEANINGFULNESS of response options | |
| Scale as a whole | 0.99 | 0.93 | 0.98 | 0.98 |
| Partnership | 1.00 | 0.86 | 0.94 | 0.94 |
| Acceptance | 0.97 | 0.73 | 0.97 | 0.97 |
| Evoking | 0.96 | 1.00 | 1.00 | 1.00 |
| Resisting the righting reflex | 1.00 | 0.94 | 0.95 | 0.97 |
| Strengthening self-efficacy | 1.00 | 0.95 | 1.00 | 1.00 |
Values of the validity index for individual items (I-CVI) and the modified kappa coefficient (k*) for 27 items_
| MI element | Item code* and content | RELEVANCE of the question | UNDERSTANDABILITY of the question | COMPLETENESS of response options | MEANINGFULNESS of response options | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N1(exp3-4) | I-CVI2 | Pc3 | k*4 | N1(exp3-4) | I-CVI2 | Pc3 | k*4 | N1(exp3-4) | I-CVI2 | Pc3 | k*4 | N1(exp3-4) | I-CVI2 | Pc3 | k*4 | ||
| PARTNERSHIP | P1 make P/C5 feel comfortable | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 |
| P2 being supportive | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | |
| P3 working together | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| P4 P/C’s input | 6 | 1.00 | 0.000 | 1.00 | 4 | 0.67 | 0.234 | 0.33 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| P5 incorporate P/C’s ideas | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| P6 be there in case P/C changes their mind | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| ACCEPTANCE | A1 P/C’s view is relevant | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 |
| A2 strive to understand | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | |
| A3 P/C’s choice to change | 6 | 1.00 | 0.s000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| A4 respect P/C’s decision | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| A5 P/C’s personal growth | 5 | 0.83 | 0.094 | 0.67 | 4 | 0.67 | 0.234 | 0.33 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| EVOKING | E2 P/C’s own reasons | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 |
| E3 P/C’s own strategies | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| E4 encourage P/C’s thinking | 5 | 0.83 | 0.094 | 0.67 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| E5 P/C’s inner strenghts and sources | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| RESISTING THE RIGHTING REFLEX | R1* explaining without first exploring | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 |
| R2* talking about own knowing | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | 5 | 0.83 | 0.094 | 0.67 | |
| R3* reasons without permission and inquire | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| R4* ideas without permission and inquire | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| R5* talk P/C into | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| R6 suggestions after permission and inquire | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| STRENGTHENING SELF-EFFICACY | S1 ask about confidence | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 |
| S2 ask about needed | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| S3 P/C’s past experiences | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| S5 affirmations | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| S6 change talk | 6 | 1.00 | 0.000 | 1.00 | 5 | 0.83 | 0.094 | 0.67 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |
| S8 other resources | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | 6 | 1.00 | 0.000 | 1.00 | |