The paper concludes that it is possible, through minor modifications in data collection protocols, to significantly enhance observation quality in road freight transport activity.
This evaluation provided useful feedback that, with some minor logistical adjustments, data collection was feasible in participating centers.
In the case of minor recall bias, complete data collection by extending recall windows was preferred to incomplete data collection.
These reports come from outside sources, so a minor chance of error in data collection exists.
This article can be improved by clarifying the following minor points in the section Data collection and cell-type classification: 1. Cluster quality It is not clear whether the quality of single units was assessed objectively, for example, by measuring isolation distance.
These include data collection from minors, long-term storage of biological samples for subsequent genetic analysis, participant expectations, data protection and privacy, data linkage, and unspecified consent.
Informed consent was sought from parents/caregivers when the participants were minor at the beginning of each data collection session.
Despite minor technical issues that occurred during data collection, HCDC is a promising methodology to be used in survey-based research in China.
Based on this pilot study and qualitative evaluation a number of minor changes were made to the study data collection form and data collection processes.
The study design was similar in both data collection periods, although some minor improvements were made in 2012/13 based on our experiences in 2009.
Lack of time available for participating in data collection, along with only minor interest in nutrition, were the main reasons cited for refusal.
