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A new research domain known as the Quantified Self has recently emerged and is described as gaining self-knowledge through using wearable technology to acquire information on self-monitoring activities and physical health related problems. However, very little is known about the impact of time window models on discovering self-quantified patterns that can yield new self-knowledge insights. This paper aims to discover the self-quantified patterns using multi-time window models.

This paper proposes a multi-time window analytical workflow developed to support the streaming k-means clustering algorithm, based on an online/offline approach that combines both sliding and damped time window models. An intervention experiment with 15 participants is used to gather Fitbit data logs and implement the proposed analytical workflow.

The clustering results reveal the impact of a time window model has on exploring the evolution of micro-clusters and the labelling of macro-clusters to accurately explain regular and irregular individual physical behaviour.

The preliminary results demonstrate the impact they have on finding meaningful patterns.

The purpose of this article is to report an exploratory study which was designed to illuminate how school cultures and teachers' value orientations are affected by the educational change of parental involvement.

The qualitative research that informs this paper is conceptualized within the interpretive paradigm. Two schools were selected purposefully for the study. In‐depth interviews with 12 teachers and their principal were conducted in each school where observation took place for half a year. Eventually themes and dimensions of teachers' value demarcations emerged in times of change.

The study demonstrates that three balkanized factions of teachers were wrestling at school. The first balkanized teacher group welcomed the innovation of parental involvement. The second faction of teachers who disbelieved such innovation was found diffident and conservative, and demonstrated resistance to change. The third type of teachers was of a majority who might or might not take part in implementing change. However, once incentives were imposed from the management, they would probably be assimilated.

The study aims at illuminating teachers' responses to change. It does not attempt to make generalization.

The study reveals that managing teacher balkanization in times of change, school leaders' personal beliefs and their early intervention, are of paramount importance.