tpo13Explain what is meant by perceptual constancy using the examples provided by the professor.

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

Performance on vocabulary words:
No of characters: 739.0 592.248995984 125% => OK
No of words: 208.0 155.574297189 134% => OK
Chars per words: 3.55288461538 3.80514564318 93% => OK
Fourth root words length: 3.79765784423 3.525876923 108% => OK
Word Length SD: 1.81793716205 1.79077849142 102% => OK
Unique words: 111.0 93.7148594378 118% => OK
Unique words percentage: 0.533653846154 0.604071249207 88% => More unique words wanted or less content wanted.
Syllable count: 230.4 185.844578313 124% => OK
Avg_syllables_per_word: 1.1 1.19417670683 92% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0491622074258 0.0650381309087 76% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 1.0 4.35341365462 23% => Need more acoustic paragraphs.
Average paragraph length: 208.0 68.503853103 304% => The average paragraph length is high.
STD paragraph length: 0.0 21.3332995233 0% => OK
Average paragraph duration: 59.03 25.9943957902 227% => Need to control the rhythm of the speech
STD paragraph duration: 0.0 7.84667146824 0% => The duration of acoustic paragraphs keeps same.

Acoustic performance on sentences:
How many acoustic sentences: 35.0 42.0642570281 83% => OK
Average acoustic sentence length: 5.94285714286 4.02192344571 148% => OK
STD acoustic sentence length: 5.52884827657 3.1217529195 177% => OK
Average acoustic sentences duration: 1.67428571429 1.45093177766 115% => OK
STD acoustic sentences duration: 1.41200624384 0.99851816184 141% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 35.0 39.0421686747 90% => OK
Total acoustic silence duration: 2.34 7.12997991968 33% => OK
Average acoustic silence duration: 0.0668571428571 0.185688545393 36% => Maybe the speech rate is too fast.
STD acoustic silence duration: 0.0448343891336 0.155154303396 29% => OK

Acoustic performance on acoustic words:
Total word duration: 53.89 47.1480722892 114% => OK
Average word duration: 0.259086538462 0.305395592593 85% => OK
STD word duration: 0.135896709261 0.189427763521 72% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 6.0 7.94979919679 75% => OK
Total_disfluencies_duration: 4.16 6.2937751004 66% => OK
Total acoustic noise duration: 0.35 3.39508032129 10% => Good job. The lower, the better.

Acoustic rates:
Total speech duration: 59.03 59.7592369478 99% => OK
Compare to expected duration: 0.983833333333 0.995987282463 99% => OK
Rate of silence: 0.59291885482 0.656000678711 90% => OK
Rate of speech: 3.5236320515 2.60215298798 135% => OK
Rate of speech by unique words: 1.88039979671 1.56821927147 120% => OK
Rate of word duration by unique words: 2.05975134533 1.99336655568 103% => OK
Average articulation rates: 0.347716846154 0.317803793328 109% => OK

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Rates: 66.6666666667 out of 100
Scores by speech e-grader: 20.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.