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. 2009 Jan-Feb;34(1):63-8.
doi: 10.1093/jpepsy/jsn043. Epub 2008 May 8.

Examining short-term stability of the Mealtime Interaction Coding System (MICS)

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Examining short-term stability of the Mealtime Interaction Coding System (MICS)

Monica Mitchell et al. J Pediatr Psychol. 2009 Jan-Feb.

Abstract

Objective: This study assessed the stability of ratings on the McMaster Mealtime Interaction Coding System (MICS), an observational measure of family functioning, across three typical evening meals.

Methods: Participants included families of infants and toddlers with cystic fibrosis (n = 33) and with no chronic illness (n = 33). Three meals were videotaped across a 3-week period (M = 17.4 days) and involved a secondary data analysis from a larger study.

Results: Across both groups, test-retest reliability (paired correlation coefficients) was generally moderate, but significant, for all scales at each time point comparison. Analyses revealed no significant within-or between-group differences across time periods on healthy versus unhealthy ratings.

Conclusions: This study highlights the limitations of coding a single mealtime observation or interpreting multiple observations using the MICS. Findings highlight that family, meal, illness, and assessment factors may impact variability in ratings over time.

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