Which of the following functions of smart phones most beneficial 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: 418.0 444.711560045 94% => OK
No of words: 107.0 116.580246914 92% => 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: 3.90654205607 3.81502700369 102% => OK
Fourth root words length: 3.2162214527 3.28032121604 98% => OK
Word Length SD: 2.20251644644 1.8723322822 118% => OK
Unique words: 73.0 76.076318743 96% => OK
Unique words percentage: 0.682242990654 0.655143326166 104% => OK
Syllable count: 135.9 141.574747475 96% => OK
Avg_syllables_per_word: 1.3 1.21358024691 107% => OK

Performance on coherence:
Topic speech coherence ratio: 0.065206170724 0.0738818816272 88% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 3.0 3.20202020202 94% => OK
Average paragraph length: 36.0 60.3232687746 60% => OK
STD paragraph length: 24.9131825881 17.3634065801 143% => OK
Average paragraph duration: 15.3566666667 22.9064221017 67% => OK
STD paragraph duration: 10.5436247193 6.49597621602 162% => OK

Acoustic performance on sentences:
How many acoustic sentences: 32.0 31.1548821549 103% => OK
Average acoustic sentence length: 3.34375 4.0588447711 82% => OK
STD acoustic sentence length: 2.96447059987 3.18357895611 93% => OK
Average acoustic sentences duration: 1.3465625 1.46810986539 92% => OK
STD acoustic sentences duration: 0.88562340111 1.01537252472 87% => 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: 7.39 5.28593714927 140% => It may have a lot of silences or every silence is too long.
Average acoustic silence duration: 0.217352941176 0.187982170178 116% => OK
STD acoustic silence duration: 0.192908219926 0.154715141812 125% => OK

Acoustic performance on acoustic words:
Total word duration: 34.78 35.408047138 98% => OK
Average word duration: 0.325046728972 0.306236595465 106% => OK
STD word duration: 0.174925211425 0.198589292138 88% => 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: 5.94 5.14435465769 115% => OK
Total acoustic noise duration: 2.43 2.80480359147 87% => OK

Acoustic rates:
Total speech duration: 46.07 45.0716498316 102% => Need to finish the speech on time.
Compare to expected duration: 1.02377777778 1.00159221848 102% => OK
Rate of silence: 0.738007380074 0.637764685501 116% => OK
Rate of speech: 2.32255263729 2.58495923209 90% => Need to bring more content.
Rate of speech by unique words: 1.58454525722 1.68816559523 94% => More unique words wanted.
Rate of word duration by unique words: 2.09890741806 2.15290372801 97% => OK
Average articulation rates: 0.335606271028 0.343871460585 98% => OK

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Maybe the speech is too long. It should be in 45 seconds.

Rates: 66.6666666667 out of 100
Scores by speech e-grader: 20.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.