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. 2017 Mar-Apr;19(87):84–94. doi: 10.4103/nah.NAH_33_16

Table 5.

The results of the five separate RM ANOVAs. In each analysis, one within-subject variable was used (i.e., the items in each factor). Also seen are the Bonferroni post hoc tests

n Mean SD Within-subject F-value Post hoc

1 2 3 4 5 6 7 8
Factor 1: Ease of hearing
 1. The dining area/canteen 148 2.6 1.2 28.419*** n.s. *** *** *** *** *** ***
 2. The corridors 148 2.3 1.0 *** *** *** *** *** ***
 3. The assembly hall 129 2.0 0.9 n.s. n.s. * n.s. ***
 4. The sports hall 148 2.0 1.0 n.s. n.s. n.s. **
 5. The art room/s 144 1.9 0.9 n.s. n.s. n.s.
 6. The music room/s 147 1.8 0.9 n.s. n.s.
 7. The handicraft room 148 1.8 0.9 n.s.
 8. My tutor/form room 148 1.7 0.8
Factor 2: Annoyance
 1. Doing a test or an exam 146 2.5 1.4 8.503*** n.s. n.s. n.s. *** ***
 2. Trying to hear what the teacher is saying 145 2.4 1.2 n.s. n.s. *** ***
 3. Working with numbers (e.g., in a mathematics or science lesson) 146 2.3 1.2 n.s. n.s. n.s.
 4. Reading 146 2.3 1.2 n.s. **
 5. Trying to hear what another student in my class is saying 146 2.0 1.0 n.s.
 6. Writing 146 2.0 1.0
Factor 3: Impact of noise
 1. I don’t learn as much as in a quiet lesson 126 2.6 1.1 0.640
 2. My concentration is easily broken 131 2.7 1.0
 3. I have to work extra hard to do my work 128 2.5 1.1
 4. I don’t try as hard 128 2.5 1.1
Factor 4: Sounds coming from inside the classroom
 1. Students talking loudly to each other in your classroom 149 2.7 1.1 8.386*** n.s. * ***
 2. Student moving about in your classroom 149 2.7 1.2 n.s. ***
 3. Sudden, unexpected sounds (e.g., banging on doors and bins clattering) 149 2.5 1.0 n.s.
 4. Mobile phones (ringtones or any other sounds) 149 2.3 0.8
Factor 5: Sounds coming from outside the classroom
 1. Lorries, cars, buses, and motorbikes 149 1.7 0.8 32.031*** *** *** *** ***
 2. Sirens 149 1.4 0.7 n.s. *** ***
 3. Teachers in classrooms near your classroom 148 1.4 0.8 * ***
 4. Aircraft (e.g., planes and helicopters) 149 1.2 0.5 ***
 5. Trains 149 1.1 0.5

*P<0.05, **P<0.01 and ***P<0.001.