目的：比較跆拳道選手與大專生在深度知覺的不同距離辨識能力。 方法：以15名國立台灣體育大學甲組跆拳道隊之男性選手與15名不同大學、未學習跆拳道男性學生為參與對象。參考Melcher and Lund（1992）測量深度知覺的原理，測量深度知覺之絕對及相對辨識在 4公尺、1.5 公尺、1 公尺的距離誤差。統計方法採重複量數變異數分析，顯著水準定為α=0.05。 結果：3 維重複量數變異數分析結果顯示，僅 2 維交互作用(組別、三種距離)達統計顯著意義(F(2,56)=8.65，partial eta square=0.24，p=.001)，及絕對及相對的主效應達統計顯著意義(F(1,28)=78.47，partial eta square=0.74，p =.000)。不論組別、三種距離，相對辨識之距離誤差(8.16± 7.02公分)小於絕對辨識之距離誤差(17.57±9.52公分) (p =.000)。跆拳道組在 4 公尺辨識的距離誤差(11.47±7.22公分)明顯優於大專組(20.52±12.47公分)（p < .0001）；在 1 公尺及1.5公尺辨識的距離誤差，兩組間無統計顯著差異（p >.05）。 結論：跆拳道組在深度知覺之 4公尺的辨識能力明顯優於大專組。本研究結果可提供跆拳道教練與研究者未來規劃構思跆拳道運動之深度知覺的辨識距離能力訓練課程作參考。

Purpose: Compare the depth perception (absolute and relative discrimination of distance error) between taekwondo contestants and colleges students. Method: Fifteen male subjects from Group-A taekwondo contestants of National Taiwan Sport University and another 15 male college students from different university were recruited respectively. The measurement of absolute and relative discrimination of distance (4, 1.5 and 1 meter) error was modified based on Melcher and Lund’s（1992）method. Repeated measures analysis of variance (ANOVA) was used and the significance level (α) was 0.05. Results: Three ways repeated measures ANOVA reveals that only 2 way interaction between group and distance (F(2,56)=8.65，partial eta square=0.24，p=.001), and the main effect of absolute vs. relative discrimination (F(1,28)=78.47，partial eta square=0.74，p =.000) reached statistically significant. Regardless of the group (taekwondo contestants vs. college students), distance (4, 1.5, 1 meter), the error of depth discrimination was significantly smaller in relative distance (8.16± 7.02cm) than that in absolute distance (20.52±12.47cm) (p<.0001). Regardless absolute or relative distance, group-A taekwondo contestants showed significant smaller depth discrimination at 4 meters (11.47±7.22cm) than college students (20.52±12.47cm) did (p＜.0001). However, there was no significant difference in depth discrimination at 1 meter and 1.5 meters between Group-A taekwondo contestants and college students (p＞.05). Conclusion: Group-A taekwondo contestants had better depth discrimination at 4 meters than college students did. Our results provide the direction for coaches and researchers of Taekwondo to design and plan their training program using the parameters of depth discrimination in the future.