The Development and Validation of the Technology-Supported Reflection Inventory.

Abstract

Refection is an often addressed design goal in Human-Computer Interaction (HCI) research. An increasing number of artefacts for refection have been developed in recent years. However, evaluating if and how an interactive technology helps a user refect is still complex. This makes it difcult to compare artefacts (or prototypes) for refection, impeding future design eforts. To address this issue, we developed the Technology-Supported Refection Inventory (TSRI), which is a scale that evaluates how efectively a system supports refection. We frst created a list of possible scale items based on past work in defning refection. The items were then reviewed by experts. Next, we performed exploratory factor analysis to reduce the scale to its fnal length of nine items. Subsequently, we confrmed test-retest validity of our instrument, as well as its construct validity. The TSRI enables researchers and practitioners to compare prototypes designed to support refection.