Explain the concept of confirmation bias using the example from the lecture.

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on vocabulary words:
No of characters: 820.0 592.248995984 138% => OK
No of words: 199.0 155.574297189 128% => OK
Chars per words: 4.12060301508 3.80514564318 108% => OK
Fourth root words length: 3.75589349951 3.525876923 107% => OK
Word Length SD: 2.19078188429 1.79077849142 122% => OK
Unique words: 110.0 93.7148594378 117% => OK
Unique words percentage: 0.552763819095 0.604071249207 92% => More unique words wanted or less content wanted.
Syllable count: 262.8 185.844578313 141% => OK
Avg_syllables_per_word: 1.3 1.19417670683 109% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0267685852745 0.0650381309087 41% => It may have issues on recording quality or the content is not so closely related to content.

Acoustic performance on paragraphs:
How many acoustic paragraphs: 4.0 4.35341365462 92% => OK
Average paragraph length: 49.75 68.503853103 73% => OK
STD paragraph length: 33.7592579895 21.3332995233 158% => OK
Average paragraph duration: 16.0825 25.9943957902 62% => OK
STD paragraph duration: 10.0057917603 7.84667146824 128% => OK

Acoustic performance on sentences:
How many acoustic sentences: 24.0 42.0642570281 57% => Need more acoustic sentences. Maybe the speech rate is too fast.
Average acoustic sentence length: 8.29166666667 4.02192344571 206% => The average length of sentences is long.
STD acoustic sentence length: 6.78527306419 3.1217529195 217% => The length of acoustic sentences changes so often.
Average acoustic sentences duration: 2.57958333333 1.45093177766 178% => OK
STD acoustic sentences duration: 1.69182219113 0.99851816184 169% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 22.0 39.0421686747 56% => OK
Total acoustic silence duration: 5.65 7.12997991968 79% => OK
Average acoustic silence duration: 0.256818181818 0.185688545393 138% => Maybe the pauses are too long.
STD acoustic silence duration: 0.174600488483 0.155154303396 113% => OK

Acoustic performance on acoustic words:
Total word duration: 54.22 47.1480722892 115% => OK
Average word duration: 0.272462311558 0.305395592593 89% => OK
STD word duration: 0.178386028637 0.189427763521 94% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 11.0 7.94979919679 138% => It may have 'ehn' in the speaking, or it has hesitations or overlapping speeches.
Total_disfluencies_duration: 8.39 6.2937751004 133% => Somehow the hesitation is serious.
Total acoustic noise duration: 2.19 3.39508032129 65% => OK

Acoustic rates:
Total speech duration: 64.33 59.7592369478 108% => Need to finish the speech on time.
Compare to expected duration: 1.07216666667 0.995987282463 108% => It is over the expected time.
Rate of silence: 0.341986631432 0.656000678711 52% => OK
Rate of speech: 3.09342452977 2.60215298798 119% => OK
Rate of speech by unique words: 1.70993315716 1.56821927147 109% => OK
Rate of word duration by unique words: 2.02877167097 1.99336655568 102% => OK
Average articulation rates: 0.382912733668 0.317803793328 120% => OK

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Rates: 66.6666666667 out of 100
Scores by speech e-grader: 20.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.