Explain how the example in the lecture illustrates the concept of scope creep.

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

Performance on vocabulary words:
No of characters: 545.0 592.248995984 92% => OK
No of words: 127.0 155.574297189 82% => More words wanted. You may: choose simpler words or speak faster or remove hesitations or remove long pauses, and fully use the time, do NOT save one or two seconds.
Chars per words: 4.29133858268 3.80514564318 113% => OK
Fourth root words length: 3.35699682299 3.525876923 95% => OK
Word Length SD: 2.15578414847 1.79077849142 120% => OK
Unique words: 95.0 93.7148594378 101% => OK
Unique words percentage: 0.748031496063 0.604071249207 124% => OK
Syllable count: 162.9 185.844578313 88% => OK
Avg_syllables_per_word: 1.3 1.19417670683 109% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0 0.0650381309087 0% => 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: 2.0 4.35341365462 46% => OK
Average paragraph length: 63.5 68.503853103 93% => OK
STD paragraph length: 58.5 21.3332995233 274% => Paragraph length changes often.
Average paragraph duration: 25.375 25.9943957902 98% => OK
STD paragraph duration: 22.325 7.84667146824 285% => The duration of acoustic paragraphs changes often.

Acoustic performance on sentences:
How many acoustic sentences: 33.0 42.0642570281 78% => OK
Average acoustic sentence length: 3.84848484848 4.02192344571 96% => OK
STD acoustic sentence length: 3.40339591657 3.1217529195 109% => OK
Average acoustic sentences duration: 1.48272727273 1.45093177766 102% => OK
STD acoustic sentences duration: 1.07660035276 0.99851816184 108% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 27.0 39.0421686747 69% => OK
Total acoustic silence duration: 4.04 7.12997991968 57% => OK
Average acoustic silence duration: 0.14962962963 0.185688545393 81% => OK
STD acoustic silence duration: 0.163105997834 0.155154303396 105% => OK

Acoustic performance on acoustic words:
Total word duration: 41.89 47.1480722892 89% => Need to talk more.
Average word duration: 0.329842519685 0.305395592593 108% => OK
STD word duration: 0.184177183827 0.189427763521 97% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 7.0 7.94979919679 88% => OK
Total_disfluencies_duration: 4.96 6.2937751004 79% => OK
Total acoustic noise duration: 3.16 3.39508032129 93% => OK

Acoustic rates:
Total speech duration: 50.75 59.7592369478 85% => Talk more. Do not save time. People can talk 4-5 words in one second.
Compare to expected duration: 0.845833333333 0.995987282463 85% => Some seconds left. Need to talk more.
Rate of silence: 0.532019704433 0.656000678711 81% => OK
Rate of speech: 2.50246305419 2.60215298798 96% => OK
Rate of speech by unique words: 1.87192118227 1.56821927147 119% => OK
Rate of word duration by unique words: 2.26784435426 1.99336655568 114% => OK
Average articulation rates: 0.342027299213 0.317803793328 108% => OK

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Rates: 70.0 out of 100
Scores by speech e-grader: 21.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.