本研究以透過對彰化英語演講會為標的研究，探討同儕學習對增進英語口語能力的成效及影響。本研究依研究目的及研究對象設計相關問卷，藉以瞭解該會的同儕學習法對增進學員英語口語能力的影響。本研究對象為台灣分會－彰化英語演講會22名會員，採用問卷調查及半結構性訪談方式進行資料蒐集。在取得問卷後，透過SPSS12.0版執行敘述統計、皮爾森積差相關、單因子變異數分析對資料進行統計與分析，以了解彰化英語演講會會員在同儕學習的過程中對其增進英語口語能力的成效及影響。 有別於傳統的教學,彰化英語演講會是採學習者為導向的學習模式，參與的學員們彼此對同儕的表現提出優缺點評價；每個學員既是角色扮演者，同時也是指導者。根據本研究調查發現，演講會會員加入彰化英語演講會，其主要目的是希望能結交同好，並藉此增進彼此英語口語的能力。而在擔任不同角色的過程中：「演講者」、「主持人」、「講評者」、或「即席演說者」，以擔任「即席演說者」對於英語口語能力的提升最有幫助。簡而言之，會員對此分會抱持肯定的態度，認為藉由同儕之間的相互學習，是增進英語口語能力的最佳方法。

The purpose of this study was to probe how the style of peer learning impacts the proficiency of English speaking ability. Partly due to the fact that the majority of people in Taiwan are still unable to speak fluently even after years of learning English, and partly attributed to the perception of the good reputation of Toastmasters from all fields nationwide in Taiwan. A study of Changhua Toastmasters Club with 22 participants was undertaken. A questionnaire of foreign language speaking anxiety among the members of Changhua Toastmasters Club and a survey of semi-structured interviews were utilized to collect the data. The SPSS version 12.0 for Windows was administered to compute the collected data. Descriptive statistics, Pearson product-moment correlation, one-way ANOVA were used to analyze the data at p＜.05 level to understand how peer learning makes an impact on English speaking ability. on the members of Changhua Toastmasters Club. Unlike traditional classes, the learning approach at the Changhua Toastmasters club transformed a style of student-centered learning, in which participants evaluated their own peers' strengths and weaknesses regarding public speaking skill during weekly in-class Toastmasters gatherings. Each participant at the Toastmasters club serves not only as role performer but also as mentor. The results of this study showed that the reason for the participation of the members of Changhua Toastmasters Club was not mainly to meet members' needs, but rather the desire to make acquaintances with those with shared interests and enhance their English speaking ability. However, there was a consistent agreement held by all participants that among the four-role-playing assignments; speaker, Toastmaster, evaluator, and impromptu speaker, the last role had the most significant and results favorably on the promotion of English colloquial ability from peer learning. In short, the members of Changhua Toastmasters Club hold a positive attitude toward Toastmaster, and showed no doubts about the effectiveness in enhancing their English speaking ability through the cooperative atmosphere of peer learning.