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A construct specification equation for activities of daily living
In this project the researcher is analysing 42 tasks from a questionnaire describing Activities of Daily Living (ADLs). By means of a statistical method I have sorted the 42 tasks from easy to difficult. The purpose of the project is to explain from a clinical perspective why the tasks are sorted in this way, i.e., why a particular task is more difficult to perform than another. The researcher has identified 7 intrinsic properties of the tasks that could explain this ordering of difficulty, and the next step is to rate these properties by clinical experts. The researcher believes that Occupational Therapists are at an ideal position to do this rating. Once there is evidence that the statistical ordering of difficulty of the tasks is consistent with the Occupational Therapists understanding of the nature of the task itself, the ordering of tasks (i.e. their difficulty level) could be used, for example, to monitor the outcome of individualized goal setting. Else a subset of relevant items can be scored, so that for example easy tasks given early in rehabilitation will be scored on the same interval scaled metric as later harder tasks (effectively their difficult level will weigh the scoring). The change of scores before and after a treatment could then be calculated in a proper way.
Procedure for completing the form
Occupational Therapists interested in participating are asked to email the researcher ( with the subject ‘OT rating ADL properties’ and she will send them an Excel file they will have to fill in. Instructions on how to complete the form are in the Excel file itself. Basically, they will have to rate 7 properties, 6 on a 0-10 scale and 1 on a 0-3 scale, for each of the 42 tasks. It is very important that when doing the rating they focus on the task as such, performed with no assistive devices. They should not think of any particular patient performing the task, but instead consider only the task itself. Once completed, they should send back the Excel file to the researcher via email.
How anonymity of data will be ensured
No patient data is gathered in this project, rather ratings performed by Occupational Therapists. The researcher will compute a summary measure for each of the 7 properties once she gets a number of Occupational Therapist ratings. She will not distribute nor publish the individual Occupational Therapist ratings but only the distribution and summary of the set of ratings.
Deadline for completion/closure of survey
At latest, the survey should be sent back to the researcher the 15th of June 2018.