Using points and examples from the talk, explain the two possible ways early humans discovered how to use fire to release copper from solid rock.

Speaking topics in text

Using points and examples from the talk, explain the two possible ways early humans discovered how to use fire to release copper from solid rock.

Speaking recording
Votes
Average: 8.3 (1 vote)
Speaking category
Speakings by user bishoy :

Comments

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

Performance on vocabulary words:
No of characters: 724.0 578.828451883 125% => OK
No of words: 183.0 151.265690377 121% => OK
Chars per words: 3.95628415301 3.82278263415 103% => OK
Fourth root words length: 3.67800887145 3.50058242952 105% => OK
Word Length SD: 1.70446259855 1.80425224433 94% => OK
Unique words: 101.0 92.4686192469 109% => OK
Unique words percentage: 0.551912568306 0.61298525976 90% => More unique words wanted or less content wanted.
Syllable count: 236.7 182.283891213 130% => OK
Avg_syllables_per_word: 1.3 1.20543933054 108% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0756044614118 0.0839705835288 90% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 7.0 4.47071129707 157% => OK
Average paragraph length: 26.1428571429 65.8948926009 40% => The average paragraph length is low.
STD paragraph length: 21.6295338529 19.7758100068 109% => OK
Average paragraph duration: 8.49142857143 25.5208953607 33% => The speaking content is not well organized.
STD paragraph duration: 6.58260354174 7.49434385956 88% => OK

Acoustic performance on sentences:
How many acoustic sentences: 28.0 42.9832635983 65% => OK
Average acoustic sentence length: 6.53571428571 3.78147595546 173% => OK
STD acoustic sentence length: 4.72442092338 2.94285465224 161% => OK
Average acoustic sentences duration: 2.03142857143 1.39386743896 146% => OK
STD acoustic sentences duration: 1.23767845549 0.967747756167 128% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 25.0 40.4456066946 62% => OK
Total acoustic silence duration: 4.33 7.59280334728 57% => OK
Average acoustic silence duration: 0.1732 0.19053887516 91% => OK
STD acoustic silence duration: 0.139448054845 0.157467062838 89% => OK

Acoustic performance on acoustic words:
Total word duration: 51.06 46.3453556485 110% => OK
Average word duration: 0.279016393443 0.308780311121 90% => OK
STD word duration: 0.157362533484 0.201157623399 78% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 7.0 8.09623430962 86% => OK
Total_disfluencies_duration: 4.89 6.56692468619 74% => OK
Total acoustic noise duration: 1.9 3.53066945607 54% => OK

Acoustic rates:
Total speech duration: 59.44 59.5455230126 100% => OK
Compare to expected duration: 0.990666666667 0.992425383543 100% => OK
Rate of silence: 0.420592193809 0.681803438845 62% => OK
Rate of speech: 3.07873485868 2.53813033465 121% => OK
Rate of speech by unique words: 1.69919246299 1.55221717717 109% => OK
Rate of word duration by unique words: 1.97806502154 1.99939622689 99% => OK
Average articulation rates: 0.428750065574 0.309613076454 138% => OK

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It may have duplicated content. Need to use the words more efficiently.

Rates: 83.3333333333 out of 100
Scores by speech e-grader: 25.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.