Final answer:
Dr. Schoger employed a meta-analytic review methodology to examine the correlation between optimism and health by combining data from 30 studies.
Step-by-step explanation:
Dr. Schoger employed a meta-analytic review methodology in examining the correlation between optimism and health by combining data from 30 studies.
A meta-analysis is a statistical technique that combines the results from multiple studies to provide a comprehensive summary of the overall findings. In this case, Dr. Schoger gathered data from 30 studies on optimism and health and analyzed them collectively to determine the overall correlation between the two variables. By conducting a meta-analysis, Dr. Schoger was able to identify patterns and trends that may not have been apparent in individual studies alone.