... questionnaire was an adaptation of a variety of sources drawn from literature on the field of problems of learning English as a second language (see Chandrasegaran, 1981; Bock, 20 00; Thuy, 20 00). ... population in order to explain the purpose, relevance and importance of the study, as well as to clarify any questions that the learners had. 2. 3. Data Analysis and Discussion of the Findings 2. 3.1. ... audience 2. Maintaining a friendly facial expression3. Making appropriate body movements4. Using appropriate hand gestures09 2 4 42 32 2 2 41374413 42 21 24 19 28 10 27 2 39 21 32 25431136371 2 4733 20 34 26 23 6000003000001311841431 62 227 21 61351551664169159164167 2. 11 2. 97 2. 3 2. 613.663.48 2. 18 2. 5 2. 73 2. 56 2. 64 2. 69Notes:...