Which of the following functions of smart phones is the mostbeneficial to students?1)taking photos 2) listening to the music 3) recording lectures.

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

Performance on vocabulary words:
No of characters: 460.0 444.711560045 103% => 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: 4.18181818182 3.81502700369 110% => OK
Fourth root words length: 3.23853184046 3.28032121604 99% => OK
Word Length SD: 1.94553950537 1.8723322822 104% => OK
Unique words: 73.0 76.076318743 96% => OK
Unique words percentage: 0.663636363636 0.655143326166 101% => OK
Syllable count: 144.0 141.574747475 102% => OK
Avg_syllables_per_word: 1.3 1.21358024691 107% => OK

Performance on coherence:
Topic speech coherence ratio: 0.014497068846 0.0738818816272 20% => 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: 1.0 3.20202020202 31% => OK
Average paragraph length: 110.0 60.3232687746 182% => OK
STD paragraph length: 0.0 17.3634065801 0% => OK
Average paragraph duration: 44.48 22.9064221017 194% => OK
STD paragraph duration: 0.0 6.49597621602 0% => The duration of acoustic paragraphs keeps same.

Acoustic performance on sentences:
How many acoustic sentences: 32.0 31.1548821549 103% => OK
Average acoustic sentence length: 3.4375 4.0588447711 85% => OK
STD acoustic sentence length: 2.92550743462 3.18357895611 92% => OK
Average acoustic sentences duration: 1.3028125 1.46810986539 89% => OK
STD acoustic sentences duration: 1.08037966236 1.01537252472 106% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 33.0 28.6644219978 115% => It means the content is not pronounced smoothly or it is pronounced slowly. It is word by word.
Total acoustic silence duration: 5.15 5.28593714927 97% => OK
Average acoustic silence duration: 0.156060606061 0.187982170178 83% => OK
STD acoustic silence duration: 0.111923658883 0.154715141812 72% => OK

Acoustic performance on acoustic words:
Total word duration: 35.79 35.408047138 101% => OK
Average word duration: 0.325363636364 0.306236595465 106% => OK
STD word duration: 0.187314404012 0.198589292138 94% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 6.0 6.3164983165 95% => OK
Total_disfluencies_duration: 4.95 5.14435465769 96% => OK
Total acoustic noise duration: 2.03 2.80480359147 72% => OK

Acoustic rates:
Total speech duration: 44.48 45.0716498316 99% => OK
Compare to expected duration: 0.988444444444 1.00159221848 99% => OK
Rate of silence: 0.74190647482 0.637764685501 116% => OK
Rate of speech: 2.47302158273 2.58495923209 96% => OK
Rate of speech by unique words: 1.64118705036 1.68816559523 97% => OK
Rate of word duration by unique words: 2.03967588712 2.15290372801 95% => OK
Average articulation rates: 0.260271445455 0.343871460585 76% => OK

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Don't repeat words, phrases and sentences. or More unique words wanted.

Rates: 80.0 out of 100
Scores by speech e-grader: 24.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.