由於英文、中文不同語言體系的因素，英文為母語的學生學中文時常常認為華語的聲調很複雜、很難學。這份實證研究透過Cognitive Load Theory （認知負荷論）來看英文為母語的華文學生辨識華語聲調的挑戰並借用Flash ActionScript設計兩個簡單的電動遊戲讓華語學生訓練華語聲調感知。
為了更了解英文為母語者學中文時辨識華語聲調的困難，以十位英文為母語者其中文程度包含初級與中級作為抽樣。每位做了以下四個步驟：（1）前測，（2）玩此研究之遊戲並被觀察，（3）參加訪談，（4）後測。經由觀察發現和訪談組成質性資料，前後測的成績與測試速度作為量化資料。
十位測試者都認為此練習工具好玩，有幫助於聲調感知聽力，且可以增加學習動機，因玩遊戲比勉強自己念課文好玩。玩遊戲時初級生遇到較多困難，中級生玩得比較久也達到較高的分數。量化的部份，前後測透過Paired Sample T-test顯著差異，抽樣母體後測之成績均比前測為高，但是選取速度沒有顯著差異。在觀察時發現初級生玩此研究之遊戲較中級生困難。因此運用Repeated Measures ANOVA比較初級生跟中級生進步的趨勢，結果顯著差異，顯示進步趨勢不同。再分別用Paired Sample T-test統計初級生跟中級生前後測資料。很明顯中級生玩遊戲後有進步，但初級生沒有。在認知負荷論之下這種現象叫做Expertise Reversal Effect（專長逆轉作用），中級生的聲調概念較強，因此他們能夠解除該遊戲的高速度反覆訓練作用，但是初級生因為聲調的概念較弱，所以初級生玩此遊戲時沒有足夠的認知空間建立更強的聲調辨識概念。

Tones are a difficult challenge for native English speakers who want to learn Mandarin. In this mixed methods empirical study, the theoretical lens of cognitive Load Theory is adopted to interpret this challenge, and two simple video games were developed to help novice and intermediate level native English speaking Mandarin learners practice their Chinese tone-awareness. 
Ten participants were drawn from the pool of native English speakers who are learning Mandarin in Taiwan. The participants were given a chance to play the games, and interviewed after playing. They were also tested for tone perception capability before and after playing the games to measure learning effectiveness. The participants’ responses, attitudes, and the benefits and challenges encountered with this video game based approach to CLF tone learning is discussed, and inferential statistics are applied to interpret the quantitative data. 
The qualitative findings from this study confirm that the participants liked the idea of video games for practicing Chinese, and felt that these games enhance motivation, and provide useful practice. The quantitative results support the research hypothesis—that the games can help learners improve their tone perception. However, whereas the intermediate level CFL learners did show improvement on the post-tests, the beginner level participants did not. The conclusions explain this result in terms of CLT as an example of the so-called ‘expertise reversal effect.’

Abstract (English)	i

Abstract (Chinese)	iii

Acknowledgements 	iv

Table of Contents	v

Chapter One: Introduction	1
1.1	Background	1
1.2	Statement of the Problem	2
1.3	Theoretical Orientation: Cognitive Load Theory	5	
1.4	Purposes of this Research	7
1.5	Research Questions and Hypotheses	8
1.6	Significance of this Study	10
1.7	Limits and Delimitations	11

Chapter Two: Review of the Literature	13	
	2.1 Cognitive Load Theory	13
	2.2 Cognitive Load Theory and Chinese as a Foreign Language	21
	2.3 Motivation for Language Learning	29
	2.4 Game Based Learning	30

Chapter Three: Methodology	37
	3.1 Overview	37
	3.2 The Design of the Games	39
	3.3 The Pre- and Post-Tests	47
	3.4 The Participants	49
	3.5 Data Collection	50
	3.6 Data Analysis	63

Chapter Four: Results	56
	4.1 Interviews and Observations	56
	4.2 Qualitative Generalization	85
	4.3 Quantitative Results and Discussion	90
	4.4 Research Questions and Hypotheses Revisited	95
	4.5 Summary of the Results	97

Chapter Five: Conclusions	100
	5.1 Summary of This Study	100
	5.2 Summary of the Key Findings	103
	5.3 Implications	105
	5.4 Suggestions for Future Research	108

List of References	111
 Figure 2.1 The CLT Model   15
 Figure 3.1 Screen Shot of the Target Tone mode    42
 Figure 3.2 Screen Shot of the Target Pinyin mode    44
 Table 3.1 CLT in Game Designs     47
 Figure 3.3 Screen Shot of the Quiz Application    48
 Table 3.2 Steps in the Research Process     50
 Table 3.3 Interview Probes    52
 Table 4.1 Qualitative Data Summary    90
 Table 4.2 Quantitative Results     91
 Table 4.3 Mean Values and Standard Deviations by learning level    93

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