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RESEARCH PRODUCT

Capturing daily family dynamics via text messages: development of the mobile diary

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In this paper we introduce a new tool, the mobile phone, for use in diary research. We demonstrate, with reference to two family studies conducted in Finland, how daily family dynamics can be captured by using the mobile diary. In both studies family members sent text messages (SMSs) in answer to structured diary questions three times a day over a one-week period. The participants kept also paper-and-pencil diaries. Two mobile diary items measuring mood (stressfulness and feelings of competence) both at home and at work are reported here as examples. For both items we found statistically significant daily and weekly variation as well as individual fluctuation. The data gathered by the mobile diary were congruent but not identical with the data gathered by the paper-and-pencil diary. The mobile phone method of data collection facilitated participants’ answers at the agreed times and the participants reported that answering was easy and did not take too much time. The main limitation is the lack of space fo...