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From page 9... ... 3 Sta As describe consisting students a dataset. 3.1 Cla Two types  Analysi preced externa  Analysi examp classro For the des  For noi thresho  For noi numbe time pe Multilevel clustering examine th periods pri 30s, depen models est observed g example, a odds for an indicates a observed. such as 2 o of teachers Regression outcomes Learner. Th data relati subject be metrics, a metric, to Analysis w classroom session pe and voice‐ tistical M d in the previ of one‐second nd teachers w ssroom O of analysis we s comparing n ing the onset o l LAeq in the 3 s comparing n le, the NA abo om session. criptives we p se metrics ove ld was crosse se metrics ove r of seconds th riod is describ regression mo of the data by e association or to an event ding on the no imate the incr iven the speci n odds ratio o event being o 2% increase in It is important r 5% across th are actually o modeling allo to be taken int erefore all of ng to free scho ing observed d further additio see if external as also conduc session is bein r hour. For ana raising events ethodo ous chapter, a LAeq values f ere recorded i bservation re carried out oise metrics o f an event suc 0 seconds bef oise metrics ac ve 60 dBA wou resent the fol r 1 second: th d is described. r 5, 10, and 30 at the noise m ed. dels taking int class and scho between these being observe ise metric) Read the entire page →
From page 10... ... Therefore, between 0 hour. For e be 1/1.5= 0 group. Further an when a cla classroom had to be r voice‐raisin than 1 eve Finally, ana The LAeq 2 case, estim to:  The nu  The nu The compl 3.2 Tea Each teach sample, LA The survey both healt  Perceiv psycho stress, though  Cogniti assesse motor  Noise a based o  Activity quality The compl the teacher vo and less than xample if in a .67 for this pa alysis was perf ssroom sessio session per ho eformatted, a g events were nt per hour. lysis was cond 4 hours repre ated for a one mber of voice‐ mber of voice‐ ete report on t cher Surv er survey was eq 24 hours at instrument co h outcomes an ed Stress Scale logical survey which asks par ts during the p ve Failures Qu s self‐reporte function. nnoyance of n n standard IS interference, of students' w ete report on t ice‐masking e 1 event per ho 1.5 hour class rticular sessio ormed compa n was being ob ur. For analys s the NA noise categorized a ucted making sents the A‐we ‐year period. masking even raising events he statistical a ey matched with the surveyed llected severa d noise attitud , a widely use for measuring ticipants abou ast month. estionnaire, a d failures on p oise from airc O annoyance q including stud ork. he survey ana vents were re ur, between 1 room session o n and hence b ring the numb served, with t es using the NA metrics were s no events pe use of the mo ighted total s The annual ext ts observed in observed in e nalysis is pres the computed schools range l categories of es, including: d 10‐question the perceptio t their feeling 25‐question su erception, me raft, road, and uestions. ents attention lysis is presen calculated per and less than nly 1 masking e placed in the er of aircraft n he number of noise metric calculated for r hour, betwe deled annual ound energy a ernal LAeq 24 each classroo ach classroom ented as Appe external LAeq d from 43.7 to data on n of s and rvey that mory, and students , students con ted as Append Cha hour, being ca 2 events per event happen between 0 a oise events ab teacher voice s, the teacher one‐hour per en 0 and less external LAeq t each school o hours for eac m session. session. ndix E to this 24 hours at t 68.6 dBA. centration, st ix F to this doc The teach  Pe  Co  An  Ac pter 3 – Statis tegorized as n hour, and mor ed, then mask nd less than 1 ove set thres ‐raising events outcome of vo iods. Therefor than 1 event p 7 hours for ea ver a 24‐hour h school was e document. hat teacher's udents' perfor ument. er survey fo rceived stre gnitive fatig noyance tivity interfe tical Method o events per e than 2 event ing per hour w event per hou holds per hour observed in a ice‐raising ev e, the teacher er hour, and m ch school loca period. In thi xamined in re school. In the mance, and th cused on: ss ue rence ology 10 hour, s per ould r ents ore tion. s lation e Read the entire page →

From page 9...

... 3 Sta As describe consisting students a dataset. 3.1 Cla Two types  Analysi preced externa  Analysi examp classro For the des  For noi thresho  For noi numbe time pe Multilevel clustering examine th periods pri 30s, depen models est observed g example, a odds for an indicates a observed. such as 2 o of teachers Regression outcomes Learner. Th data relati subject be metrics, a metric, to Analysis w classroom session pe and voice‐ tistical M d in the previ of one‐second nd teachers w ssroom O of analysis we s comparing n ing the onset o l LAeq in the 3 s comparing n le, the NA abo om session. criptives we p se metrics ove ld was crosse se metrics ove r of seconds th riod is describ regression mo of the data by e association or to an event ding on the no imate the incr iven the speci n odds ratio o event being o 2% increase in It is important r 5% across th are actually o modeling allo to be taken int erefore all of ng to free scho ing observed d further additio see if external as also conduc session is bein r hour. For ana raising events ethodo ous chapter, a LAeq values f ere recorded i bservation re carried out oise metrics o f an event suc 0 seconds bef oise metrics ac ve 60 dBA wou resent the fol r 1 second: th d is described. r 5, 10, and 30 at the noise m ed. dels taking int class and scho between these being observe ise metric)

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From page 10...

... Therefore, between 0 hour. For e be 1/1.5= 0 group. Further an when a cla classroom had to be r voice‐raisin than 1 eve Finally, ana The LAeq 2 case, estim to:  The nu  The nu The compl 3.2 Tea Each teach sample, LA The survey both healt  Perceiv psycho stress, though  Cogniti assesse motor  Noise a based o  Activity quality The compl the teacher vo and less than xample if in a .67 for this pa alysis was perf ssroom sessio session per ho eformatted, a g events were nt per hour. lysis was cond 4 hours repre ated for a one mber of voice‐ mber of voice‐ ete report on t cher Surv er survey was eq 24 hours at instrument co h outcomes an ed Stress Scale logical survey which asks par ts during the p ve Failures Qu s self‐reporte function. nnoyance of n n standard IS interference, of students' w ete report on t ice‐masking e 1 event per ho 1.5 hour class rticular sessio ormed compa n was being ob ur. For analys s the NA noise categorized a ucted making sents the A‐we ‐year period. masking even raising events he statistical a ey matched with the surveyed llected severa d noise attitud , a widely use for measuring ticipants abou ast month. estionnaire, a d failures on p oise from airc O annoyance q including stud ork. he survey ana vents were re ur, between 1 room session o n and hence b ring the numb served, with t es using the NA metrics were s no events pe use of the mo ighted total s The annual ext ts observed in observed in e nalysis is pres the computed schools range l categories of es, including: d 10‐question the perceptio t their feeling 25‐question su erception, me raft, road, and uestions. ents attention lysis is presen calculated per and less than nly 1 masking e placed in the er of aircraft n he number of noise metric calculated for r hour, betwe deled annual ound energy a ernal LAeq 24 each classroo ach classroom ented as Appe external LAeq d from 43.7 to data on n of s and rvey that mory, and students , students con ted as Append Cha hour, being ca 2 events per event happen between 0 a oise events ab teacher voice s, the teacher one‐hour per en 0 and less external LAeq t each school o hours for eac m session. session. ndix E to this 24 hours at t 68.6 dBA. centration, st ix F to this doc The teach  Pe  Co  An  Ac pter 3 – Statis tegorized as n hour, and mor ed, then mask nd less than 1 ove set thres ‐raising events outcome of vo iods. Therefor than 1 event p 7 hours for ea ver a 24‐hour h school was e document. hat teacher's udents' perfor ument. er survey fo rceived stre gnitive fatig noyance tivity interfe tical Method o events per e than 2 event ing per hour w event per hou holds per hour observed in a ice‐raising ev e, the teacher er hour, and m ch school loca period. In thi xamined in re school. In the mance, and th cused on: ss ue rence ology 10 hour, s per ould r ents ore tion. s lation e

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