Should parents buy cell phones for their children?

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

Performance on vocabulary words:
No of characters: 490.0 444.711560045 110% => OK
No of words: 133.0 116.580246914 114% => OK
Chars per words: 3.68421052632 3.81502700369 97% => OK
Fourth root words length: 3.39596269041 3.28032121604 104% => OK
Word Length SD: 1.8692945115 1.8723322822 100% => OK
Unique words: 81.0 76.076318743 106% => OK
Unique words percentage: 0.609022556391 0.655143326166 93% => More unique words wanted or less content wanted.
Syllable count: 143.1 141.574747475 101% => OK
Avg_syllables_per_word: 1.1 1.21358024691 91% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0722360108155 0.0738818816272 98% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 1.0 3.20202020202 31% => OK
Average paragraph length: 133.0 60.3232687746 220% => The average paragraph length is high.
STD paragraph length: 0.0 17.3634065801 0% => OK
Average paragraph duration: 44.77 22.9064221017 195% => OK
STD paragraph duration: 0.0 6.49597621602 0% => The duration of acoustic paragraphs keeps same.

Acoustic performance on sentences:
How many acoustic sentences: 28.0 31.1548821549 90% => OK
Average acoustic sentence length: 4.75 4.0588447711 117% => OK
STD acoustic sentence length: 3.3017852314 3.18357895611 104% => OK
Average acoustic sentences duration: 1.51857142857 1.46810986539 103% => OK
STD acoustic sentences duration: 1.00872520074 1.01537252472 99% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 34.0 28.6644219978 119% => It means the content is not pronounced smoothly or it is pronounced slowly. It is word by word.
Total acoustic silence duration: 4.76 5.28593714927 90% => OK
Average acoustic silence duration: 0.14 0.187982170178 74% => Maybe the speech rate is too fast.
STD acoustic silence duration: 0.152835936643 0.154715141812 99% => OK

Acoustic performance on acoustic words:
Total word duration: 37.68 35.408047138 106% => OK
Average word duration: 0.283308270677 0.306236595465 93% => OK
STD word duration: 0.167931787998 0.198589292138 85% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 9.0 6.3164983165 142% => It may have 'ehn' in the speaking, or it has hesitations or overlapping speeches.
Total_disfluencies_duration: 6.46 5.14435465769 126% => OK
Total acoustic noise duration: 0.62 2.80480359147 22% => Good job. The lower, the better.

Acoustic rates:
Total speech duration: 44.77 45.0716498316 99% => OK
Compare to expected duration: 0.994888888889 1.00159221848 99% => OK
Rate of silence: 0.759437123073 0.637764685501 119% => OK
Rate of speech: 2.97073933438 2.58495923209 115% => OK
Rate of speech by unique words: 1.80924726379 1.68816559523 107% => OK
Rate of word duration by unique words: 2.14968152866 2.15290372801 100% => OK
Average articulation rates: 0.282979030075 0.343871460585 82% => OK

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It may have duplicated content. Need to use the words more efficiently.

Rates: 83.3333333333 out of 100
Scores by speech e-grader: 25.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.