Figure 2.

Word cloud of the methodological terms used in published synthesis of qualitative health research. Word clouds give more prominence to words that appear more frequently in the source text. The methodological terms were extracted from the title/abstract/full text of 381 published synthesis of qualitative health research (to 31st May 2011) and entered into Tagxedo, an online tool which generated a word cloud.

Tong et al. BMC Medical Research Methodology 2012 12:181   doi:10.1186/1471-2288-12-181
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