LIST OF TABLES

Table 1-1 Video Types and Length of Previous Studies

Table 2-1 Word and Three Dimensions

Table 3-1 Data Collection Method in Each Research Question

Table 3-2 Scores of 5 Classes on the TEM-4 Model Test

Table 3-3 The Average VST Scores of Each Class

Table 3-4 Mean Scores of TEM-4 Model Test and VST for Each Group 

Table 3-5 Group Design

Table 3-6 Overview of the Video Materials

Table 3-7 Overview of Target Vocabulary

Table 3-8 Test Format for Target Vocabulary Selection

Table 3-9 Overview of the Experimental Procedures

Table 4-1 Descriptive Statistics on Form Recognition Tests of All Groups

Table 4-2 Repeated Measures ANOVA on Form Recognition Tests of All Groups

Table 4-3 One-way ANOVA on Form Recognition Tests of All Groups

Table 4-4 Tukey Post Hoc Comparisons on Form Recognition Posttests of All Groups

 Table 4-5 Pairwise Comparisons between Time on Form Recognition Tests of All Groups

 Table 4-6 Descriptive Statistics on Meaning Recall Tests of All Groups

Table 4-7 Repeated Measures ANOVA on Meaning Recall Tests of All Groups

Table 4-8 One-way ANOVA on Meaning Recall Tests of All Groups

Table 4-9 Tukey Post Hoc Comparisons on Meaning Recall Posttests of All Groups

 Table 4-10 Pairwise Comparisons between Time on Meaning Recall Tests ofAll Groups

 Table 4-11 Descriptive Statistics on Production Tests of All Groups

Table 4-12 Repeated Measures ANOVA on Production Tests of All Groups

Table 4-13 One-way ANOVA on Production Tests of All Groups

Table 4-14 Tukey Post Hoc Comparisons on Production Posttests of All Groups

Table 4-15 Pairwise Comparisons between Time on Production Tests of All Groups 

Table 4-16 Descriptive Statistics on Form Recognition Tests of AV1＆AV3

Table 4-17 Comparison of AV1＆AV3 on Form Recognition Tests

Table 4-18 Descriptive Statistics on Meaning Recall Tests of AV1＆AV3 

Table 4-19 Comparison of AV1＆AV3 on Meaning Recall Tests

Table 4-20 Descriptive Statistics on Production Tests of AV1＆AV3

Table 4-21 Comparison of AV1＆AV3 on Production Tests

Table 4-22 Descriptive Statistics on Form Recognition Tests of AV2＆AV3 

Table 4-23 Comparison of AV2＆AV3 on Form Recognition Tests

Table 4-24 Descriptive Statistics on Meaning Recall Tests of AV2＆AV3 

Table 4-25 Comparison of AV2＆AV3 on Meaning Recall Tests

Table 4-26 Descriptive Statistics on Production Tests of AV2＆AV3

Table 4-27 Comparison of AV2＆AV3 on Production Tests

Table 4-28 Descriptive Statistics on VST for the AV Group

Table 4-29 Scores on Comprehension Tests for AV Group

Table 4-30 KMO and Bartlett's Test

Table 4-31 Results of Factor Analysis，Descriptive Statistics，and Cronbach'sαfor the Questionnaire

Table 4-32 Attitudes toward Watching Videos（AV group）

Table 4-33 Learning Motivation（AV group）

Table 4-34 Learning Strategies（AV group）

Table 4-35 Viewpoints about 6 TED-talks（AV group）

Table 4-36 Correlations between Learner-related Factors and Learners'Vocabulary Improvement

Table 4-37 Multivariate Regression Analysis on Form Recognition through Viewing

Table 4-38 Multivariate Regression Analysis on Meaning Recall through Viewing

Table 4-39 Multivariate Regression Analysis on Production through Viewing

Table 4-40 Correlations between Item-related Factors and Learners'Vocabulary Improvement

Table 4-41 Multivariate Regression Analysis on Production through Viewing

Table 5-1 Variation in the Impact of Different Treatment Conditions on Three Groups

Table 5-2 Variation in the Impact of Embedded On-screen Text（L2 captions）

Table 5-3 Variation in the Impact of Repeated Viewing