Using the points and examples from the lecture, explain how substitute goods and complement goods influence demand for a particular product.

Speaking topics in audio
Speaking topics in text

Using the points and examples from the lecture, explain how substitute goods and complement goods influence demand for a particular product.

Speaking recording
Votes
Average: 5 (1 vote)
Speaking category

Comments

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

Performance on vocabulary words:
No of characters: 391.0 578.828451883 68% => Need more words or more difficult words.
No of words: 113.0 151.265690377 75% => 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: 3.46017699115 3.82278263415 91% => OK
Fourth root words length: 3.2603904387 3.50058242952 93% => OK
Word Length SD: 1.46966613649 1.80425224433 81% => OK
Unique words: 69.0 92.4686192469 75% => More unique words wanted.
Unique words percentage: 0.610619469027 0.61298525976 100% => OK
Syllable count: 126.0 182.283891213 69% => The syllable count is low.
Avg_syllables_per_word: 1.1 1.20543933054 91% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0836465026064 0.0839705835288 100% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 12.0 4.47071129707 268% => Need less acoustic paragraphs.
Average paragraph length: 9.41666666667 65.8948926009 14% => The average paragraph length is low.
STD paragraph length: 6.78795911073 19.7758100068 34% => OK
Average paragraph duration: 4.56166666667 25.5208953607 18% => The speaking content is not well organized.
STD paragraph duration: 3.5939412751 7.49434385956 48% => OK

Acoustic performance on sentences:
How many acoustic sentences: 51.0 42.9832635983 119% => OK
Average acoustic sentence length: 2.21568627451 3.78147595546 59% => OK
STD acoustic sentence length: 1.78571373647 2.94285465224 61% => OK
Average acoustic sentences duration: 0.917843137255 1.39386743896 66% => OK
STD acoustic sentences duration: 1.07194401691 0.967747756167 111% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 47.0 40.4456066946 116% => It means the content is not pronounced smoothly or it is pronounced slowly. It is word by word.
Total acoustic silence duration: 7.76 7.59280334728 102% => OK
Average acoustic silence duration: 0.165106382979 0.19053887516 87% => OK
STD acoustic silence duration: 0.173449021764 0.157467062838 110% => OK

Acoustic performance on acoustic words:
Total word duration: 38.1 46.3453556485 82% => Need to talk more.
Average word duration: 0.337168141593 0.308780311121 109% => OK
STD word duration: 0.661611694029 0.201157623399 329% => It may have hesitations.

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: 12.62 6.56692468619 192% => Somehow the hesitation is serious.
Total acoustic noise duration: 7.11 3.53066945607 201% => It may have issues on recording quality or have issues on silences or disfluencies.

Acoustic rates:
Total speech duration: 54.74 59.5455230126 92% => Talk more. Do not save time. People can talk 4-5 words in one second.
Compare to expected duration: 0.912333333333 0.992425383543 92% => Some seconds left. Need to talk more.
Rate of silence: 0.85860431129 0.681803438845 126% => Less acoustic silences wanted.
Rate of speech: 2.06430398246 2.53813033465 81% => Need to bring more content.
Rate of speech by unique words: 1.26050420168 1.55221717717 81% => More unique words wanted.
Rate of word duration by unique words: 1.81102362205 1.99939622689 91% => OK
Average articulation rates: 0.191348442478 0.309613076454 62% => It may have issues on recording quality or you may have pronounciation issues.

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Rates: 50.0 out of 100
Scores by speech e-grader: 15.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.