OTOtherJMIR rehabilitation and assistive technologies2024

Evaluating the Experiences of Occupational Therapists and Children Using the SensoGrip Pressure-Sensitive Pen in a Handwriting Intervention: Multimethods Study.

Lena Rettinger, Erna Schönthaler, Andrea Kerschbaumer and 4 others

PMID 38451584

WHAT IT FOUND

Occupational therapists and children accepted the SensoGrip pressure-sensitive pen, with 80% of children giving it the highest satisfaction rating.

Therapists found it useful for visualizing handwriting pressure and guiding therapy, though it is a prototype with some technical faults.

Key findings

01Occupational therapists rated the system's ease of use and learning highly (median 6 out of 7), finding the graphical feedback useful for assessing performance.

0280% of children gave the highest possible rating for liking the system, and 86% rated their writing ability with the pen as the highest score.

03Technical issues included two broken pens (13% of devices) and quick battery depletion, though overall performance was deemed functional.

STILL TO COME

How it was doneWhat they foundWhat it means for OTs

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What it does not show

The study had no control group and was exploratory, so it cannot prove the pen improves handwriting outcomes. Participants were recruited via snowball sampling and OTs had to be comfortable with technology, potentially biasing results toward positive views. The study was conducted by the same institution that developed the device, though the research team was separate from the developers. Child responses may have been influenced by a desire to please the adults present.

Declared interests

The study was part of the SensoGrip project. The text states no conflicts of interest were declared, but notes the study was conducted within the same institution responsible for developing the system.

The easy way to misread this

Do not interpret the high satisfaction ratings as evidence that the pen improves handwriting skills. This was a usability study without a control group, and the authors explicitly state the findings do not provide an empirical measure of effectiveness.

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