Interpreting change scores on the Amyotrophic Lateral Sclerosis Assessment Questionnaire (ALSAQ-40).
OBJECTIVES: To determine the amount of change over time on the five dimensions of the 40-item Amyotrophic Lateral Sclerosis Assessment Questionnaire (ALSAQ-40) that are subjectively meaningful to patients. Minimally important differences (MID), effect sizes (ES) and standardized response means (SRM) are calculated for respondents who indicate only a little change over the time of the study whilst mean change scores, ES and SRM statistics are calculated for those who indicated much change. DES...Expand abstract
- Publication status:
- Publisher copy:
- Copyright date:
Views and Downloads
If you are the owner of this record, you can report an update to it here: Report update to this record