Speaking topics in text
Using points and examples from the talk, describe the double slit experiment and explain why the professor thinks that it is significant.
The professor talks about the experiment and its purpose, first, and then he talks about the results. When he talks about those results, he mentions two important details:
The scientists expected the film to show two narrow lines if the electrons were particles. The film actually showed a wave-like pattern. He explains why the scientists expected that and how the experiment was set up, but it’s most important to hear the difference between the expectations and the results.
Speaking recording
Votes
This speaking topic by users
| Post dates | Users | rates | Contents |
|---|---|---|---|
| 2018-08-27 | dshah6611 | 63.00 | Check this speaking |
| 2019-08-01 | bishoy | Check this speaking |
Speaking category
Speakings by user dshah6611
:
- Some students prefer to work closely with their teachers, while others prefer to have more independent and work alone. Which do you prefer? Explain why? 50
- The female student expresses her opinion about why she disagrees with the university’s new policy. State her opinion and explain the reasons she gives for holding that opinion. 83
- What characteristics do you think make someone a good parent. Explain why these characteristics are important to you? 66
- Bus Service Elimination Planned....The university has decided to discontinue its free bus service for students. The reason given for this decision is that few students ride the buses and the buses are expensive to operate. Currently, the buses run from th 75
- Some parents educate their own children at home. Others insist that their children should be sent to school. Which way of learning do you think is preferable and why? 50
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on vocabulary words:
No of characters: 442.0 578.828451883 76% => Need more words or more difficult words.
No of words: 117.0 151.265690377 77% => 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: 3.77777777778 3.82278263415 99% => OK
Fourth root words length: 3.28886816799 3.50058242952 94% => OK
Word Length SD: 2.04275292343 1.80425224433 113% => OK
Unique words: 75.0 92.4686192469 81% => More unique words wanted.
Unique words percentage: 0.641025641026 0.61298525976 105% => OK
Syllable count: 149.4 182.283891213 82% => OK
Avg_syllables_per_word: 1.3 1.20543933054 108% => OK
Performance on coherence:
Topic speech coherence ratio: 0.0878117316473 0.0839705835288 105% => OK
Acoustic performance on paragraphs:
How many acoustic paragraphs: 3.0 4.47071129707 67% => OK
Average paragraph length: 39.3333333333 65.8948926009 60% => OK
STD paragraph length: 34.1792659696 19.7758100068 173% => OK
Average paragraph duration: 15.0866666667 25.5208953607 59% => OK
STD paragraph duration: 12.3586469953 7.49434385956 165% => OK
Acoustic performance on sentences:
How many acoustic sentences: 24.0 42.9832635983 56% => Need more acoustic sentences. Maybe the speech rate is too fast.
Average acoustic sentence length: 4.875 3.78147595546 129% => OK
STD acoustic sentence length: 3.71160904012 2.94285465224 126% => OK
Average acoustic sentences duration: 1.78791666667 1.39386743896 128% => OK
STD acoustic sentences duration: 1.12933970076 0.967747756167 117% => OK
Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 17.0 40.4456066946 42% => OK
Total acoustic silence duration: 2.97 7.59280334728 39% => OK
Average acoustic silence duration: 0.174705882353 0.19053887516 92% => OK
STD acoustic silence duration: 0.139794708604 0.157467062838 89% => OK
Acoustic performance on acoustic words:
Total word duration: 37.4 46.3453556485 81% => Need to talk more.
Average word duration: 0.319658119658 0.308780311121 104% => OK
STD word duration: 0.174600553273 0.201157623399 87% => OK
Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 9.0 8.09623430962 111% => OK
Total_disfluencies_duration: 6.48 6.56692468619 99% => OK
Total acoustic noise duration: 3.42 3.53066945607 97% => OK
Acoustic rates:
Total speech duration: 45.26 59.5455230126 76% => Talk more. Do not save time. People can talk 4-5 words in one second.
Compare to expected duration: 0.754333333333 0.992425383543 76% => Some seconds left. Need to talk more.
Rate of silence: 0.37560760053 0.681803438845 55% => OK
Rate of speech: 2.58506407424 2.53813033465 102% => OK
Rate of speech by unique words: 1.65709235528 1.55221717717 107% => OK
Rate of word duration by unique words: 2.00534759358 1.99939622689 100% => OK
Average articulation rates: 0.453094376068 0.309613076454 146% => OK
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Rates: 63.3333333333 out of 100
Scores by speech e-grader: 19.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.