# Table 2 Individual Item-Fit of the SSI items (location order) and category response proportions

Item

Location

SE

Residual

n

Score Category

1a)

0

2b)

1

3c)

2

4d)

3

4

Remember things

1.209

0.052

−0.864

509

0.49

0.30

0.09

0.12

1

Write

1.053

0.050

1.081

509

0.44

0.32

0.11

0.13

6

Do homework

0.716

0.045

0.036

472

0.40

0.22

0.12

0.25

2

0.661

0.042

2.828

509

0.40

0.23

0.08

0.29

7

Take exams

0.661

0.044

−0.322

482

0.37

0.17

0.18

0.28

5

Do mathematics

0.346

0.046

1.552

468

0.22

0.21

0.21

0.35

14

Get assistance

0.064

0.050

−0.497

449

0.13

0.19

0.24

0.44

10

Participate in the classroom

−0.031

0.044

0.868

502

0.17

0.09

0.11

0.63

3

Speak

−0.048

0.044

−0.892

508

0.17

0.07

0.11

0.65

8

Participate in sport activities

−0.302

0.053

0.573

421

0.11

0.08

0.07

0.74

9

Participate in practical subjects

−0.334

0.053

0.343

417

0.11

0.04

0.06

0.80

12

Participate in practical activities during breaks

−0.496

0.055

−1.000

469

0.08

0.05

0.03

0.84

16

Interact with staff

−0.578

0.055

−1.754

507

0.06

0.08

0.06

0.80

11

Participate in social activities during breaks

−0.869

0.080

−1.580

506

0.03

0.00

0.02

0.95

15

Access the school

−1.002

0.089

−1.363

490

0.02

0.01

0.02

0.95

13

Go on field trips

−1.049

0.079

−1.431

368

0.02

0.07

0.05

0.86

1. “Remember things” the most difficult item and “Go on field trips” the easiest item
2. The SSI four-step rating scale:
3. a) 1: Unfit when the student perceives that the school environment needs to be modified but has not received any adjustments
4. b) 2: Partial fit when the student perceives that the school environment needs to be modified although some adjustments have already been received
5. c) 3: Good fit when the student has received needed adjustments and is satisfied with them
6. d) 4: Perfect fit when the student perceives that the school environment fit is ideal and the student does not need any adjustments at all