Skip to main content

An IERI – International Educational Research Institute Journal

Table 2 Codes, definitions and average values of the dependent and independent variables of the research in TIMSS, 2015 dataset

From: The relative effect of student, family and school-related factors on math achievement by location of the school

Data code/variables

Urban

Suburban

Medium-size city

Village

Student-related factors

N

%

Math x̄

N

%

Math x̄

N

%

Math x̄

N

%

Math x̄

ASBG01

 Gender

  1-Girl

1370

49.3

502

508

48.9

473

897

48.0

492

389

49.8

428.4

  2-Boy

1391

50.8

503

507

51.1

477

988

52.1

501

385

50.2

415.4

ASBG03

 Often speak language of test at home

  1. Sometimes or never

301

11.0

506

202

20.6

447

299

15.0

474

223

26.2

351

  2. Almost always

239

9.0

527

70

7.1

506

132

7.5

523

54

7.0

415

  3. Always

2106

80.0

504

679

72.2

489

1347

77.5

506

460

66.9

456

ASBG08

 About how often absent from school

  1-Never or almost never

1807

65.8

517

566

57.3

501

1259

67.1

510

421

54.7

439

  2-Once a month

553

20.5

493

221

21.7

473

350

19.7

484

176

24.1

424

  3-Once every 2 weeks

171

6.4

463

88

7.9

422

137

7.0

462

60

8.0

394

  4-Once a week or more

210

7.3

443

127

13.1

408

116

6.3

444

100

13.2

375

ASDHAPS

 Student attended preschool

  1-Did not attend

762

28.1

468

315

30.8

447

461

24.2

453

273

35.5

392

  2-1 year or less

1266

46.8

510

463

49.5

491

896

49.6

506

377

51.7

446

  3-2 years

334

13.3

542

86

8.7

483

240

13.4

531

38

5.4

449

  4-3 years or more

315

11.8

520

122

11.1

476

213

12.8

515

63

7.4

389

 

N

x̄

s.e

N

x̄

s.e

N

x̄

s.e

N

x̄

s.e

ASBHENT

 Early numeracy tasks

2761

9.9

0.1

1015

9.3

0.2

1885

9.7

0.2

774

8.9

0.2

ASBGSSB

 Students sense of school belonging

2761

10.8

0.1

1015

10.6

0.2

1885

10.7

0.1

774

10.7

0.2

ASBGSB

 Student bullying

2761

10.1

0.1

1015

10.0

0.1

1885

10.1

0.1

774

9.8

0.2

ASBGSLM

 Students like learning math

2761

11.3

0.1

1015

11.3

0.1

1885

11.3

0.1

774

11.3

0.1

ASBGEML

 Engaging teaching in math lessons

2761

10.8

0.1

1015

10.6

0.2

1885

10.7

0.1

774

10.6

0.1

ASBGSCM

 Students confident in math

2761

10.5

0.1

1015

10.3

0.1

1885

10.6

0.1

774

9.9

0.1

 Family-related factors

N

%

Math x̄

N

%

Math x̄

N

%

Math x̄

N

%

Math x̄

ASDHEDUP

 Parents’ highest education level

  1-Some primary lower secondary or no school

885

32.1

464

487

47.7

435

707

38.6

453

496

67.7

404

  2-Lower secondary

338

12.3

479

131

14.7

477

217

12.8

482

93

13.6

445

  3-Upper secondary

832

31.8

514

224

24.6

509

494

27.2

516

108

15.5

487

  4-Post-secondary but not university

209

8.0

538

50

5,3

538

127

6.9

550

7

1.2

481

  5-University or higher

407

15.9

569

74

7.8

581

236

14.5

582

15

2.0

516

ASDHOCCP

 Parents’ highest occupation level

  1-Never worked for pay

202

7.1

480

92

9.2

431

132

7.5

456

95

13.2

374

  2-General laborer

645

24.8

471

343

34.6

447

476

25.9

462

246

33.8

426

  3-Skilled worker

460

17.0

496

212

22.4

470

409

22.5

488

244

35.6

437

  4-Clerical

582

21.8

526

188

19.4

519

365

20.4

532

74

9.7

432

  5-Small business owner

405

15.4

505

77

8.3

494

199

10.8

498

42

5.9

445

  6-Professional

348

14.0

549

55

6.2

554

195

13.0

566

14

1.9

451

 

N

x̄

s.e

N

x̄

s.e

N

x̄

s.e

N

x̄

s.e

ASBHENA

 Early numeric activities before school

2761

9.4

0.1

1015

8.6

0.2

1885

9.2

0.2

774

8.2

0.2

ASBHPSP

 Parents perceptions of school performance

2761

10.5

0.1

1015

10.6

0.2

1885

10.08

0.1

774

11.0

0.1

ASBHAMS

 Parent attitude towards math and science

2761

10.7

0.1

1015

10.7

0.2

1885

10.7

0.1

774

10.7

0.1

School-related factors

N

 

Math x̄

N

 

Math x̄

N

 

Math x̄

N

 

Math x̄

ACDG03

 School composition by student background

  1-More disadvantaged

1111

41.41

472

699

73.5

465

853

47.9

464

440

60.6

407

  2-Neither more affluent nor more disadvantaged

746

23.6

521

251

25.2

493

548

29.8

514

154

25.5

446

  3-More affluent

815

34.99

530

16

1.4

590

364

22.3

533

111

13.9

407

 

N

x̄

s.e

N

x̄

s.e

N

x̄

s.e

N

x̄

s.e

ACBGMRS

 Instruction affluent by math resource shortage

2761

7.8

0.2

1015

7.9

0.2

1885

7.8

0.2

774

8.3

0.4

ACBGEAS

 School emphasize on academic success

2761

9.8

0.2

1015

8.3

0.3

1885

9.5

0.3

774

8.1

0.2

ACBGDAS

 School discipline problems

2761

9.2

0.2

1015

8.4

0.4

1885

8.9

0.3

774

8.0

0.4