In qualitative research, the researcher is part of the study because he or she must interpret the meaning behind the subject's responses to open-ended questions. This is how the researcher was able to determine the six themes that emerged in the article “Perceptions of Rural Elderly Women Using Computerized Weight Programs” (O'Brien et al., 2014). In contrast, researchers who collect quantitative data usually remain separate from the study. Since quantitative research relies more on statistics and numbers to analyze data, it is not essential for them to be present during the study. In the article “Do overweight adolescents perceive the need to reduce weight and take healthy actions?” the researcher was able to obtain information from the questionnaires for statistical data (Chen et al.,