Absolute threshold Study guides, Class notes & Summaries
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ISYE 6501 - Midterm 2 AND Isye 6501 MID Final exam1 2023/2024
- Exam (elaborations) • 53 pages • 2023
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ISYE 6501 - Midterm 
2 AND 
Isye 6501 MID Final 
exam1 2023/2024 
when might overfitting occur 
when the # of factors is close to or larger than the # of data 
points causing the model to potentially fit too closely to 
random effects 
Why are simple models better than complex ones 
less data is required; less chance of insignificant factors and 
easier to interpret 
what is forward selection 
we select the best new factor and see if it's good enough (R^2, 
AIC, or p-value) add it to our ...
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PSY 120 - Exam 2 Purdue Questions with complete solution 2024
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PSY 120 - Exam 2 Purdue Questions with complete solution 2024 PSY 120 - Exam 2 Purdue 
 
 
transduction - correct answer conversion from sensory stimulus energy to action potential 
 
absolute threshold - correct answer the minimum stimulation needed to detect a particular stimulus 50% of the time 
 
subliminal messages - correct answer stimuli below our absolute threshold 
 
just noticeable difference (JND) or difference threshold - correct answer the minimal change in a stimulus that can j...
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Speech Science Exam 2 Questions With Complete Solutions
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absolute refractory period correct answer: 0.5 ms, sodium channels open, another AP cannot be created at this location, sets upper limit to how fast an AP can be repeated 
 
relative refractory period correct answer: a few to 20 ms following absolute refractory period, potassium channels open, another AP can be created if stimulation is greater than threshold 
 
all or none correct answer: action potential is created at a certain threshold and has just one magnitude no matter the amount of st...
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ISYE 6501 - Midterm 2 EXAM QUESTIONS WITH VERIFIED SOLUTIONS 100% LATEST UPDATE
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ISYE 6501 - Midterm 2 EXAM 
QUESTIONS WITH VERIFIED 
SOLUTIONS 100% LATEST 
UPDATE 
When might overfitting occur - ANSWER when the # of factors is 
close to or larger than the # of data points causing the model to 
potentially fit too closely to random effects 
Why are simple models better than complex ones - ANSWER 
less data is required; less chance of insignificant factors and 
easier to interpret 
What is forward selection - ANSWER we select the best new 
factor and see if it's good ...
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ISYE 6501 FINAL EXAM WITH COMPLETE SOLUTION 2022/2023
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ISYE 6501 FINAL EXAM WITH COMPLETE 
SOLUTION 2022/2023 
 
1.	Factor Based Models: classification, clustering, regression. Implicitly assumed that we have a lot of factors in the final model 
2.	Why limit number of factors in a model? 2 reasons: overfitting: when # of factors is close to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better 
3.	Classical variable selection approaches: 1. Forward selection 
2. Backwards eli...
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ISYE 6501 - Midterm 2 EXAM QUESTIONS WITH VERIFIED SOLUTIONS 100% LATEST UPDATE
- Exam (elaborations) • 21 pages • 2023
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ISYE 6501 - Midterm 2 EXAM 
QUESTIONS WITH VERIFIED 
SOLUTIONS 100% LATEST 
UPDATE 
When might overfitting occur - ANSWER when the # of factors is 
close to or larger than the # of data points causing the model to 
potentially fit too closely to random effects 
Why are simple models better than complex ones - ANSWER 
less data is required; less chance of insignificant factors and 
easier to interpret 
What is forward selection - ANSWER we select the best new 
factor and see if it's good ...
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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NCERT Psych Class 11 Exam Questions & Answers 2024/2025
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NCERT Psych Class 11 Exam Questions & Answers 2024/2025 
 
 
Absolute threshold - ANSWERSThe minimum intensity necessary for a stimulus to be detected. 
 
Accommodation - ANSWERSVisual action of the ciliary 
muscles to change the shape of the lens. 
 
Acculturation - ANSWERSCultural and psychological 
changes resulting from continuous, first-hand 
contact between two distinctive cultural groups. 
 
Achievement need/motive - ANSWERSNeed to succeed, to 
perform better than others, to excel, to tak...
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Psych 100- PSU Brian Crosby Exam 2 Complete Questions and Answers
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Psych 100- PSU Brian Crosby Exam 2 Complete Absolute Threshold - ANSWER Least Energy for correct stimulus to detect 50% of the Time. 
 
Just Noticeable Difference - ANSWER Smallest difference between two thing can be detected 50% of the time 
-difference in two weight 
 
Top-down Processing - ANSWER experience/expectations 
-listening to your favorite song bc you know how you'll feel 
-past experiences 
-Perception 
 
Bottom-up Processing - ANSWER Making new sense of new material 
-hearing a n...
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ISYE 6501 - Midterm 2 2023
- Exam (elaborations) • 18 pages • 2023
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ISYE 6501 - 
Midterm 2 
when might overfitting occur 
when the # of factors is close to or larger than the # of data points causing the 
model to potentially fit too closely to random effects 
Why are simple models better than complex ones 
less data is required; less chance of insignificant factors and easier to interpret 
what is forward selection 
we select the best new factor and see if it's good enough (R^2, AIC, or p-value) 
add it to our model and fit the model with the current set of ...
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