Using the main points and examples from the lecture, describe the two kinds of rock formations in a cavern, and explain how the professor helps his students remember the difference between the two.

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

Performance on vocabulary words:
No of characters: 629.0 578.828451883 109% => OK
No of words: 161.0 151.265690377 106% => OK
Chars per words: 3.90683229814 3.82278263415 102% => OK
Fourth root words length: 3.56210296601 3.50058242952 102% => OK
Word Length SD: 1.84087894965 1.80425224433 102% => OK
Unique words: 93.0 92.4686192469 101% => OK
Unique words percentage: 0.577639751553 0.61298525976 94% => More unique words wanted or less content wanted.
Syllable count: 184.5 182.283891213 101% => OK
Avg_syllables_per_word: 1.1 1.20543933054 91% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0791287330894 0.0839705835288 94% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 4.0 4.47071129707 89% => OK
Average paragraph length: 40.25 65.8948926009 61% => OK
STD paragraph length: 57.1286924408 19.7758100068 289% => Paragraph length changes often.
Average paragraph duration: 13.2225 25.5208953607 52% => OK
STD paragraph duration: 18.125612231 7.49434385956 242% => The duration of acoustic paragraphs changes often.

Acoustic performance on sentences:
How many acoustic sentences: 31.0 42.9832635983 72% => OK
Average acoustic sentence length: 5.1935483871 3.78147595546 137% => OK
STD acoustic sentence length: 3.4772936718 2.94285465224 118% => OK
Average acoustic sentences duration: 1.65387096774 1.39386743896 119% => OK
STD acoustic sentences duration: 0.987968516605 0.967747756167 102% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 27.0 40.4456066946 67% => OK
Total acoustic silence duration: 4.76 7.59280334728 63% => OK
Average acoustic silence duration: 0.176296296296 0.19053887516 93% => OK
STD acoustic silence duration: 0.159191199928 0.157467062838 101% => OK

Acoustic performance on acoustic words:
Total word duration: 44.12 46.3453556485 95% => OK
Average word duration: 0.274037267081 0.308780311121 89% => OK
STD word duration: 0.14343773459 0.201157623399 71% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 4.0 8.09623430962 49% => OK
Total_disfluencies_duration: 2.73 6.56692468619 42% => OK
Total acoustic noise duration: 2.08 3.53066945607 59% => OK

Acoustic rates:
Total speech duration: 52.89 59.5455230126 89% => Talk more. Do not save time. People can talk 4-5 words in one second.
Compare to expected duration: 0.8815 0.992425383543 89% => Some seconds left. Need to talk more.
Rate of silence: 0.510493477028 0.681803438845 75% => OK
Rate of speech: 3.04405369635 2.53813033465 120% => OK
Rate of speech by unique words: 1.75836642087 1.55221717717 113% => OK
Rate of word duration by unique words: 2.10788757933 1.99939622689 105% => OK
Average articulation rates: 0.362896906832 0.309613076454 117% => OK

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Rates: 81.6666666667 out of 100
Scores by speech e-grader: 24.5 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.