This report presents a critical appraisal of two peer-reviewed research articles. The first article, a quantitative study utilizing a randomized controlled trial (RCT), investigates the factors influencing discretionary food consumption during fruit and vegetable promotion. The appraisal examines the study's methodology, including randomization, participant selection, data analysis, and the validity of the findings, using the CASP tool. The second article, a qualitative study, explores the experiences of pregnant women with gestational diabetes mellitus regarding blood glucose self-monitoring behavior. The appraisal assesses the study's qualitative methodology, data collection methods, the relationship between researchers and participants, ethical considerations, and data analysis processes. The report identifies the strengths and weaknesses of both studies, providing a comprehensive evaluation of their methodologies and implications.