Some students study for classes individually. Others study in groups. Which method of studying is better and why?

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

Performance on vocabulary words:
No of characters: 410.0 444.711560045 92% => OK
No of words: 94.0 116.580246914 81% => 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: 4.36170212766 3.81502700369 114% => OK
Fourth root words length: 3.11373725848 3.28032121604 95% => OK
Word Length SD: 1.97780807015 1.8723322822 106% => OK
Unique words: 71.0 76.076318743 93% => More unique words wanted.
Unique words percentage: 0.755319148936 0.655143326166 115% => OK
Syllable count: 128.7 141.574747475 91% => OK
Avg_syllables_per_word: 1.4 1.21358024691 115% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0971445638468 0.0738818816272 131% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 8.0 3.20202020202 250% => Need less acoustic paragraphs.
Average paragraph length: 12.375 60.3232687746 21% => The average paragraph length is low.
STD paragraph length: 23.7904261206 17.3634065801 137% => OK
Average paragraph duration: 5.90625 22.9064221017 26% => The speaking content is not well organized.
STD paragraph duration: 9.38906004015 6.49597621602 145% => OK

Acoustic performance on sentences:
How many acoustic sentences: 27.0 31.1548821549 87% => OK
Average acoustic sentence length: 3.48148148148 4.0588447711 86% => OK
STD acoustic sentence length: 2.71307356619 3.18357895611 85% => OK
Average acoustic sentences duration: 1.41444444444 1.46810986539 96% => OK
STD acoustic sentences duration: 0.788877934196 1.01537252472 78% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 25.0 28.6644219978 87% => OK
Total acoustic silence duration: 6.42 5.28593714927 121% => It may have a lot of silences or every silence is too long.
Average acoustic silence duration: 0.2568 0.187982170178 137% => Maybe the pauses are too long.
STD acoustic silence duration: 0.162646118921 0.154715141812 105% => OK

Acoustic performance on acoustic words:
Total word duration: 30.42 35.408047138 86% => Need to talk more.
Average word duration: 0.323617021277 0.306236595465 106% => OK
STD word duration: 0.192949398415 0.198589292138 97% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 3.0 6.3164983165 47% => OK
Total_disfluencies_duration: 2.62 5.14435465769 51% => OK
Total acoustic noise duration: 9.11 2.80480359147 325% => It may have issues on recording quality or have issues on silences or disfluencies.

Acoustic rates:
Total speech duration: 47.25 45.0716498316 105% => Need to finish the speech on time.
Compare to expected duration: 1.05 1.00159221848 105% => OK
Rate of silence: 0.529100529101 0.637764685501 83% => OK
Rate of speech: 1.98941798942 2.58495923209 77% => Need to bring more content.
Rate of speech by unique words: 1.50264550265 1.68816559523 89% => More unique words wanted.
Rate of word duration by unique words: 2.33399079553 2.15290372801 108% => OK
Average articulation rates: 0.384748840426 0.343871460585 112% => 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.