Using the examples of the electric eel and the knifefish, explain how producing electricity benefits certain fish.

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

Performance on vocabulary words:
No of characters: 483.0 578.828451883 83% => Need more words or more difficult words.
No of words: 128.0 151.265690377 85% => 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: 3.7734375 3.82278263415 99% => OK
Fourth root words length: 3.36358566101 3.50058242952 96% => OK
Word Length SD: 1.73301959989 1.80425224433 96% => OK
Unique words: 93.0 92.4686192469 101% => OK
Unique words percentage: 0.7265625 0.61298525976 119% => OK
Syllable count: 158.4 182.283891213 87% => OK
Avg_syllables_per_word: 1.2 1.20543933054 100% => OK

Performance on coherence:
Topic speech coherence ratio: 0.099529109589 0.0839705835288 119% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 7.0 4.47071129707 157% => OK
Average paragraph length: 18.4285714286 65.8948926009 28% => The average paragraph length is low.
STD paragraph length: 34.279761388 19.7758100068 173% => OK
Average paragraph duration: 8.01 25.5208953607 31% => The speaking content is not well organized.
STD paragraph duration: 13.8580188236 7.49434385956 185% => OK

Acoustic performance on sentences:
How many acoustic sentences: 28.0 42.9832635983 65% => OK
Average acoustic sentence length: 4.57142857143 3.78147595546 121% => OK
STD acoustic sentence length: 3.80252332977 2.94285465224 129% => OK
Average acoustic sentences duration: 1.88071428571 1.39386743896 135% => OK
STD acoustic sentences duration: 1.29399417246 0.967747756167 134% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 24.0 40.4456066946 59% => OK
Total acoustic silence duration: 5.99 7.59280334728 79% => OK
Average acoustic silence duration: 0.249583333333 0.19053887516 131% => Maybe the pauses are too long.
STD acoustic silence duration: 0.152492600003 0.157467062838 97% => OK

Acoustic performance on acoustic words:
Total word duration: 44.97 46.3453556485 97% => OK
Average word duration: 0.351328125 0.308780311121 114% => OK
STD word duration: 0.17830526446 0.201157623399 89% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 12.0 8.09623430962 148% => It may have 'ehn' in the speaking, or it has hesitations or overlapping speeches.
Total_disfluencies_duration: 8.74 6.56692468619 133% => Somehow the hesitation is serious.
Total acoustic noise duration: 3.5 3.53066945607 99% => OK

Acoustic rates:
Total speech duration: 56.07 59.5455230126 94% => Talk more. Do not save time. People can talk 4-5 words in one second.
Compare to expected duration: 0.9345 0.992425383543 94% => OK
Rate of silence: 0.428036383093 0.681803438845 63% => OK
Rate of speech: 2.28286070983 2.53813033465 90% => Need to bring more content.
Rate of speech by unique words: 1.65864098448 1.55221717717 107% => OK
Rate of word duration by unique words: 2.06804536358 1.99939622689 103% => OK
Average articulation rates: 0.2820088125 0.309613076454 91% => OK

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Rates: 70.0 out of 100
Scores by speech e-grader: 21.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.