Should parents buy cell phones for their children?

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

Performance on vocabulary words:
No of characters: 574.0 444.711560045 129% => OK
No of words: 146.0 116.580246914 125% => OK
Chars per words: 3.93150684932 3.81502700369 103% => OK
Fourth root words length: 3.47606760199 3.28032121604 106% => OK
Word Length SD: 2.02605472024 1.8723322822 108% => OK
Unique words: 94.0 76.076318743 124% => OK
Unique words percentage: 0.643835616438 0.655143326166 98% => OK
Syllable count: 185.4 141.574747475 131% => OK
Avg_syllables_per_word: 1.3 1.21358024691 107% => OK

Performance on coherence:
Topic speech coherence ratio: 0.048514441569 0.0738818816272 66% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 6.0 3.20202020202 187% => OK
Average paragraph length: 24.3333333333 60.3232687746 40% => The average paragraph length is low.
STD paragraph length: 30.6630432642 17.3634065801 177% => OK
Average paragraph duration: 10.0033333333 22.9064221017 44% => OK
STD paragraph duration: 13.0893234695 6.49597621602 201% => The duration of acoustic paragraphs changes often.

Acoustic performance on sentences:
How many acoustic sentences: 57.0 31.1548821549 183% => OK
Average acoustic sentence length: 2.56140350877 4.0588447711 63% => OK
STD acoustic sentence length: 1.73728507553 3.18357895611 55% => OK
Average acoustic sentences duration: 0.966842105263 1.46810986539 66% => OK
STD acoustic sentences duration: 0.563323963053 1.01537252472 55% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 54.0 28.6644219978 188% => It means the content is not pronounced smoothly or it is pronounced slowly. It is word by word.
Total acoustic silence duration: 9.88 5.28593714927 187% => It may have a lot of silences or every silence is too long.
Average acoustic silence duration: 0.182962962963 0.187982170178 97% => OK
STD acoustic silence duration: 0.157311081638 0.154715141812 102% => OK

Acoustic performance on acoustic words:
Total word duration: 44.04 35.408047138 124% => OK
Average word duration: 0.301643835616 0.306236595465 99% => OK
STD word duration: 0.160947653352 0.198589292138 81% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 10.0 6.3164983165 158% => It may have 'ehn' in the speaking, or it has hesitations or overlapping speeches.
Total_disfluencies_duration: 6.96 5.14435465769 135% => Somehow the hesitation is serious.
Total acoustic noise duration: 3.97 2.80480359147 142% => It may have issues on recording quality or have issues on silences or disfluencies.

Acoustic rates:
Total speech duration: 60.02 45.0716498316 133% => Need to finish the speech on time.
Compare to expected duration: 1.33377777778 1.00159221848 133% => It is over the expected time.
Rate of silence: 0.899700099967 0.637764685501 141% => Less acoustic silences wanted.
Rate of speech: 2.4325224925 2.58495923209 94% => OK
Rate of speech by unique words: 1.56614461846 1.68816559523 93% => More unique words wanted.
Rate of word duration by unique words: 2.13442325159 2.15290372801 99% => OK
Average articulation rates: 0.302427335616 0.343871460585 88% => OK

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The speech is either too short or too long. It should be in 45 seconds.

Rates: 50.0 out of 100
Scores by speech e-grader: 15.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.