Match Each of the Following Methods for Synthesizing the Findings

Match each of the following methods for synthesizing the findings of quantitative studies included in a literature review with its distinctive features.
-Narrative review

A) Calculates a statistic called effect size to assess the overall magnitude of the differences between groups of research participants on each variable of interest.
B) Focuses on the sample size and magnitude of the effects in each study.
C) Provides a subjective summary of selected research, theory, and opinion on a particular topic.
D) Classifies studies included in the review into categories based on the direction and statistical significance of the findings.