Exploring the Validity of an Instrument to Measure the Perceived Quality in Use of Web 2.0 Applications with Educational Potential

The aim of the work presented in this paper was to examine to what extent the subjective measuring instrument supports the assessment of all relevant facets of the quality in use in the context of Web 2.0 applications. For that purpose, two scenario-based studies were conducted. In both studies users were observed during their interactions with two Web 2.0 applications that are widely used in educational settings. Data analysis has verified the validity of the post-use questionnaire at various levels of the conceptual model. Findings of empirical studies together with implications for researchers and practitioners are presented and discussed.

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