The methods we used to calculate estimates in this study were refined from those used for the circa 2000 study, and in the intervening years, surveillance has improved and data availability has increased.
The interview topic guides for each qualitative study were refined during the interview process as themes emerged, in accordance with principles of constant comparison methods derived from grounded theory.
The pilot phase was conducted in 3 general practices over a 4-month period; during this time the study procedures were refined and projected recruitment rates confirmed.
Data were extracted from original studies onto forms which were refined following piloting.
Future studies may be refined by taking both temporal and spatial variation in air pollution exposure into account.
These studies could be refined by means of variable selection such that predictive variables are individually evaluated for their correlations to the primary outcome.
This paper presents a numerical simulation of one of the test sections in the experimental study, which was refined from the previous numerical simulations completed before and immediately after the experimental study based on simplified numerical models.
Let's even assume that we see a legitimately happy (or sad) post, and that the study algorithm is refined further to catch nuance and context.
Study design was refined in an iterative fashion, based on a comprehensive review of the literature and informed by consultation with key government, community and consumer stakeholders.
The existing knowledge of the pastoralists studied can be refined and incorporated into camel production methods, to enhance the efficiency of their production systems so as to improve their overall pastoral livelihoods.
