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Completely Randomized Design (CRD)


            In my Completely Randomized Design (CRD), I will be exploring whether seeing a paragraph in full-text or by-one-line-at-a-time in an online typing game have an influence on my word-per-minute performance. I am inspired to perform this study because as a slow typer, Ive been trying to improve my typing speed and accuracy in order to have optimal productivity when executing my newly acquired hobby of subtitling Thai films in English. Ive been playing on the website TypeRacer to improve my typing skill. Here, I can race with other online players to make my learning process more fun. The typing game works as followed. When you start a game, by default, a paragraph of text appears on the screen with a timer. When the countdown reaches zero, you type the text. When you have typed the last punctuation on the text, then you are taken to the result window displaying your word per minute, time, and accuracy. Recently, I learned that there is another mode available. By default, the game shows the full text of the paragraph; however, you can select to see the paragraph one line at a time. After trying the one-line-at-a-time mode a few times, it seem like there was a slight decline in my word-per-minute results. Thus, I wondered if the different mode actually have an impact on my performance. What follows was a light bulb moment when I realized that I can explore this question further as a CRD study for my Statistic 371 project 1!.
             For my study, I am interested in playing practice games (where I am not racing against anyone) in full-text (Treatment 1) and by-lines (Treatment 2) mode. My initial validation to why my word-per-minute results are smaller in the by-lines mode is that the shifting of the words and the lack of further anticipation on the by-lines mode are disadvantageous. I will be conducting and analyzing a balanced CRD of 30 trails15 games on full-text mode and 15 games on by-lines mode.


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