What is the most important invention of the last 100 years?

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

Performance on vocabulary words:
No of characters: 441.0 444.711560045 99% => OK
No of words: 110.0 116.580246914 94% => 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: 4.00909090909 3.81502700369 105% => OK
Fourth root words length: 3.23853184046 3.28032121604 99% => OK
Word Length SD: 1.79643816555 1.8723322822 96% => OK
Unique words: 84.0 76.076318743 110% => OK
Unique words percentage: 0.763636363636 0.655143326166 117% => OK
Syllable count: 146.7 141.574747475 104% => OK
Avg_syllables_per_word: 1.3 1.21358024691 107% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0 0.0738818816272 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 3.20202020202 62% => OK
Average paragraph length: 55.0 60.3232687746 91% => OK
STD paragraph length: 30.0 17.3634065801 173% => OK
Average paragraph duration: 21.905 22.9064221017 96% => OK
STD paragraph duration: 13.525 6.49597621602 208% => The duration of acoustic paragraphs changes often.

Acoustic performance on sentences:
How many acoustic sentences: 23.0 31.1548821549 74% => OK
Average acoustic sentence length: 4.78260869565 4.0588447711 118% => OK
STD acoustic sentence length: 3.74115213292 3.18357895611 118% => OK
Average acoustic sentences duration: 1.88739130435 1.46810986539 129% => OK
STD acoustic sentences duration: 1.25202172988 1.01537252472 123% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 20.0 28.6644219978 70% => OK
Total acoustic silence duration: 4.93 5.28593714927 93% => OK
Average acoustic silence duration: 0.2465 0.187982170178 131% => Maybe the pauses are too long.
STD acoustic silence duration: 0.211098910466 0.154715141812 136% => OK

Acoustic performance on acoustic words:
Total word duration: 37.09 35.408047138 105% => OK
Average word duration: 0.337181818182 0.306236595465 110% => OK
STD word duration: 0.187752892815 0.198589292138 95% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 8.0 6.3164983165 127% => It may have 'ehn' in the speaking, or it has hesitations or overlapping speeches.
Total_disfluencies_duration: 6.01 5.14435465769 117% => OK
Total acoustic noise duration: 0.46 2.80480359147 16% => Good job. The lower, the better.

Acoustic rates:
Total speech duration: 43.81 45.0716498316 97% => Talk more. Do not save time. People can talk 4-5 words in one second.
Compare to expected duration: 0.973555555556 1.00159221848 97% => OK
Rate of silence: 0.456516776992 0.637764685501 72% => OK
Rate of speech: 2.51084227345 2.58495923209 97% => OK
Rate of speech by unique words: 1.91737046336 1.68816559523 114% => OK
Rate of word duration by unique words: 2.26476139121 2.15290372801 105% => OK
Average articulation rates: 0.299923290909 0.343871460585 87% => OK

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Rates: 81.6666666667 out of 100
Scores by speech e-grader: 24.5 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.