Speaking topics in text
TPO 15 - Question 4
Experimenter Effect
One objective of any experiment is, of course, to obtain accurate results. Sometimes, however, problems occur that lead to inaccurate results. One such problem is the experimenter effect. The experimenter effect occurs when a researcher’s expectations affect the outcome of the experiment. The researcher expects a particular result from the experiment, and that expectation causes the researcher to act in ways that influence the behavior of the experiment participants, thereby invalidating the results of the experiment.
Speaking recording
Votes
This speaking topic by users
| Post dates | Users | rates | Contents |
|---|---|---|---|
| 2017-04-12 | Av9ash | 80.00 | Check this speaking |
| 2017-04-23 | mgrajapt | 90.00 | Check this speaking |
| 2019-12-16 | jeffhjz | 83.00 | Check this speaking |
| 2018-08-03 | toeflbeginner | 80.00 | Check this speaking |
| 2017-04-29 | Tulips | 50.00 | Check this speaking |
Speaking category
Speakings by user bishoy
:
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- Using points from the lecture, explain how the passion plant and the potato plant defend themselves from insects. 83
- rosenthal effect 80
- 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. 66
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on vocabulary words:
No of characters: 766.0 592.248995984 129% => OK
No of words: 190.0 155.574297189 122% => OK
Chars per words: 4.03157894737 3.80514564318 106% => OK
Fourth root words length: 3.71268753763 3.525876923 105% => OK
Word Length SD: 1.71956317329 1.79077849142 96% => OK
Unique words: 113.0 93.7148594378 121% => OK
Unique words percentage: 0.594736842105 0.604071249207 98% => OK
Syllable count: 228.6 185.844578313 123% => OK
Avg_syllables_per_word: 1.2 1.19417670683 100% => OK
Performance on coherence:
Topic speech coherence ratio: 0.0212188237266 0.0650381309087 33% => It may have issues on recording quality or the content is not so closely related to content.
Acoustic performance on paragraphs:
How many acoustic paragraphs: 5.0 4.35341365462 115% => OK
Average paragraph length: 38.0 68.503853103 55% => OK
STD paragraph length: 27.0554985169 21.3332995233 127% => OK
Average paragraph duration: 11.778 25.9943957902 45% => OK
STD paragraph duration: 7.29065813216 7.84667146824 93% => OK
Acoustic performance on sentences:
How many acoustic sentences: 28.0 42.0642570281 67% => OK
Average acoustic sentence length: 6.78571428571 4.02192344571 169% => OK
STD acoustic sentence length: 4.72347589068 3.1217529195 151% => OK
Average acoustic sentences duration: 2.00857142857 1.45093177766 138% => OK
STD acoustic sentences duration: 1.03024863256 0.99851816184 103% => OK
Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 28.0 39.0421686747 72% => OK
Total acoustic silence duration: 5.36 7.12997991968 75% => OK
Average acoustic silence duration: 0.191428571429 0.185688545393 103% => OK
STD acoustic silence duration: 0.140171178149 0.155154303396 90% => OK
Acoustic performance on acoustic words:
Total word duration: 48.66 47.1480722892 103% => OK
Average word duration: 0.256105263158 0.305395592593 84% => OK
STD word duration: 0.149217571541 0.189427763521 79% => OK
Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 3.0 7.94979919679 38% => Good job, the lower, the better.
Total_disfluencies_duration: 2.54 6.2937751004 40% => OK
Total acoustic noise duration: 2.61 3.39508032129 77% => OK
Acoustic rates:
Total speech duration: 58.89 59.7592369478 99% => OK
Compare to expected duration: 0.9815 0.995987282463 99% => OK
Rate of silence: 0.475462727118 0.656000678711 72% => OK
Rate of speech: 3.22635421973 2.60215298798 124% => OK
Rate of speech by unique words: 1.91883172016 1.56821927147 122% => OK
Rate of word duration by unique words: 2.32223592273 1.99336655568 116% => OK
Average articulation rates: 0.407132263158 0.317803793328 128% => 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.