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# Arai presentation

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### Arai presentation

1. 1. Perception of Objectsin Technical Illustrations:A Challenge inTechnical Communications1170002 Yu AraiCLR Technical Communication LaboratorySupervised by Prof. Debopriyo Roy2/14/20131
2. 2. Overview1.  Introduction2.  Work Flow3.  MethodØ  Making FiguresØ  Data collecting from Test sheetsØ  Data analysis4.  Findings5.  Discussion6.  Conclusion2
3. 3. Introduction§ Mental image is . . .like a picture in own brain.§ Mental rotation is . . .Basically about how the brain moves objects in the physical space in amanner that helps with positional understanding of objects in space.§ Technical illustration is . . .The use of illustration to visually communicate information of a technicalnature.3
4. 4. Work Flow Make Figures↓Top view version figures↓Make Test seats↓Take test↓Data collect↓Analysis↓SPSS↓Discussions↓Conclusions4
5. 5. Method – Making Figures (POSER)Heightsa.  Chest heightb.  Waist heightActivitiesa.  Holding a Ballb.  Throwing a BallCamera Positions1.  Front – 0degree2.  1/3rd Side – 30 degrees3.  Side – 90 degrees4.  1/3rd Back – 120 degrees5.  Back – 180 degrees5B : Top of viewA : Basic View
6. 6. Method – Data collectingü 41 students who are non-native English speaker participated in this study.ü Having 20 test sheets.6
7. 7. Method – Data analysis (SPSS)§ Given a score of either 1 or 0.§ The data was entered in SPSS statistical softwarefor data analysis§ A score in the range of 1-5 was reported for eachtest sheet.7
8. 8. Finding – Cochran Test•  Correct Answer : 1•  Incorrect Answer : 0•  Q = 17.968 Asymp.sig. = .525•  P > .058
9. 9. Chest height – Confidence data3.803.683.80 3.803.733.533.633.703.853.733.303.403.503.603.703.803.90Front 1/3 side Side 1/3 back BackHoldingThrowing9
10. 10. Waist height – Confidence data3.93 3.933.803.903.733.953.78 3.783.803.833.603.653.703.753.803.853.903.954.00Front 1/3 side Side 1/3 back BackHoldingThrowing10
11. 11. Finding – Friedman test•  20 body positions/ height/ actionü  Chi-square = 25.172ü  Asymp.sig. = .115 > .0511
12. 12. Finding – Confidence levelCorrelations Between Personal Value Sig. ValueThrowing Chest Back .514** .001Throwing Waist Side .474** .002Holding Waist Back .439** .005Holding Waist Front .429** .006Throwing Waist 1/3rd Back .406** .00912Significant Correlations between Mean Accuracy Scores and Confidence ScoresSignificant Correlations between Mean Accuracy Scores and Confidence ScoresSignificant Correlations between Mean Accuracy Scores and Confidence Scores
13. 13. DiscussionØ Body height/rotation/action§  When compared with a plan view, it becomesmore various visual cues.•  Accuracy score around the 85 – 95% levelØ Similarity body height – action - rotation§  20 body position – insignificant difference§  Height/Action combinations – insignificantdifference13
14. 14. Conclusion and Future research§ Explored the effect of Body rotation, height andactionü Increased the accuracy levelsü  reader’s interesting approach§ In the future research…o The level of correctness should be analyzed carrying outtime observation.14
15. 15. Thank you15