Figure 3
A pie chart displays the percentage breakdown of methodological approaches in selected studies. The chart is divided into three segments. The largest segment, representing fifty percent, is labeled 'Quantitative' and is colored blue. The second largest segment, representing twenty-seven percent, is labeled 'Mixed methods' and is colored orange. The smallest segment, representing twenty-three percent, is labeled 'Qualitative' and is colored gray. A legend on the right side of the chart indicates the colors corresponding to each methodological approach.Percentage breakdown of methodological approaches in selected studies