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

Speaking topics in text

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

Speaking recording
Votes
Average: 6.6 (1 vote)
This speaking topic by users
Post dates Users rates Contents
2018-06-07 Elena Cristina 65.00 Check this speaking
2016-09-23 may82 50.00 Check this speaking
2019-10-17 Seema Modak 81.00 Check this speaking
2019-10-01 Rasna James 82.00 Check this speaking
2019-11-01 bishoy 82.00 Check this speaking
Speaking category
Speakings by user bishoy :

Comments

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.