This dataset is part of the Global Learning Assessment Database (GLAD). It contains microdata from TIMSS 2011. Each observation corresponds to one learner (student or pupil), and the variables have been harmonized.
Metadata stored in this dataset:
region: WLD
year: 2011
assessment: TIMSS
master: v01_M
adaptation: wrk_A_GLAD
module: ALL
ttl_info: Joao Pedro de Azevedo [[email protected]]
dofile_info: last modified by Ahmed Raza in January 29, 2021
lastsave: 9 Feb 2022 16:50:48 by wb549384
About the 109 variables in this dataset:
The variables belong to the following variable classifications:
idvars keyvars valuevars traitvars samplevars
idvars: idcntry_raw idschool idgrade idclass idlearner
keyvars: surveyid countrycode national_level
valuevars: score_timss_math_01 score_timss_scie_01 score_timss_math_02 score_timss_scie_02 score_timss_math_03 score_timss_scie_03 score_timss_math_04 score_timss_scie_04 score_timss_math_05 score_timss_scie_05 level_timss_math_01 level_timss_scie_01 level_timss_math_02 level_timss_scie_02 level_timss_math_03 level_timss_scie_03 level_timss_math_04 level_timss_scie_04 level_timss_math_05 level_timss_scie_05
traitvars: age urban urban_o1 urban_o2 male escs qescs has_qescs
samplevars: learner_weight jkzone jkrep
Variable Obs Unique Mean Min Max Label
--------------------------------------------------------------------------------------------------------------------
idcntry_raw 584545 69 1228.231 31 9134 Country ID, as coded in rawdata
idschool 584545 1599 285.8582 1 4254 School ID
idgrade 584545 5 6.095748 4 9 Grade ID
idclass 584545 6592 28588.67 101 425402 Class ID
idlearner 584545 178008 2858882 10101 4.25e+07 Learner ID
surveyid 584545 1 . . . Survey ID (Region_Year_Assessment)
countrycode 584545 63 . . . WB country code (3 letters)
national_l~l 584545 2 .901224 0 1 Idcntry_raw is a national level
score_t~h_01 584545 542209 469.1605 5 965.6872 Plausible value 01: TIMSS score for math
score_t~e_01 584545 541157 472.179 5 905.7887 Plausible value 01: TIMSS score for science
score_t~h_02 584545 542017 469.227 5 931.2971 Plausible value 02: TIMSS score for math
score_t~e_02 584545 541503 471.082 5 917.052 Plausible value 02: TIMSS score for science
score_t~h_03 584545 541667 469.4287 5 925.0883 Plausible value 03: TIMSS score for math
score_t~e_03 584545 541568 471.9806 5 863.2424 Plausible value 03: TIMSS score for science
score_t~h_04 584545 542008 468.8999 5 939.4118 Plausible value 04: TIMSS score for math
score_t~e_04 584545 541298 470.7925 5 873.1356 Plausible value 04: TIMSS score for science
score_t~h_05 584545 541860 469.0873 5 958.9602 Plausible value 05: TIMSS score for math
score_t~e_05 584545 541422 472.3404 5 851.9157 Plausible value 05: TIMSS score for science
level_t~h_01 584545 5 2.562164 1 5 Plausible value 01: TIMSS level for math
level_t~e_01 584545 5 2.637222 1 5 Plausible value 01: TIMSS level for science
level_t~h_02 584545 5 2.56604 1 5 Plausible value 02: TIMSS level for math
level_t~e_02 584545 5 2.62732 1 5 Plausible value 02: TIMSS level for science
level_t~h_03 584545 5 2.566244 1 5 Plausible value 03: TIMSS level for math
level_t~e_03 584545 5 2.634565 1 5 Plausible value 03: TIMSS level for science
level_t~h_04 584545 5 2.562037 1 5 Plausible value 04: TIMSS level for math
level_t~e_04 584545 5 2.625028 1 5 Plausible value 04: TIMSS level for science
level_t~h_05 584545 5 2.5635 1 5 Plausible value 05: TIMSS level for math
level_t~e_05 584545 5 2.639024 1 5 Plausible value 05: TIMSS level for science
age 583180 14 11.86868 6 19 Learner age at time of assessment
urban 550334 2 .8736476 0 1 School is located in urban/rural area
urban_o1 564581 7 . . . Original variable of urban: population size of the sc...
urban_o2 560889 6 . . . Original variable of urban: school is located in urba...
male 584545 2 .5034582 0 1 Learner gender is male/female
escs 476439 96403 .0167529 -3.453706 1.879487
qescs 476439 5 3.054731 1 5 Quintiles of Socio-Economic Status
has_qescs 584545 2 .8150596 0 1 Dummy variable for observations with a valid QESCS
learner_we~t 584545 19278 64.83228 .3408881 3467.077 Total learner weight
jkzone 584545 75 35.55715 1 75 Jackknife zone
jkrep 584545 2 .498675 0 1 Jackknife replicate code
--------------------------------------------------------------------------------------------------------------------
Plus the variables merged-on-the-fly, which are:
traitvars: lp01_threshold_var lp02_threshold_var lp03_threshold_var lp04_threshold_var lp05_threshold_var lp06_threshold_var lp07_threshold_var lp08_threshold_var lp09_threshold_var lp10_threshold_var lp01_threshold_val lp02_threshold_val lp03_threshold_val lp04_threshold_val lp05_threshold_val lp06_threshold_val lp07_threshold_val lp08_threshold_val lp09_threshold_val lp10_threshold_val lp01_threshold_res lp02_threshold_res lp03_threshold_res lp04_threshold_res lp05_threshold_res lp06_threshold_res lp07_threshold_res lp08_threshold_res lp09_threshold_res lp10_threshold_res
valuevars: sdg411_scie_01 bmp_scie_01 fgt1_scie_01 fgt2_scie_01 sdg411_scie_02 bmp_scie_02 fgt1_scie_02 fgt2_scie_02 sdg411_scie_03 bmp_scie_03 fgt1_scie_03 fgt2_scie_03 sdg411_scie_04 bmp_scie_04 fgt1_scie_04 fgt2_scie_04 sdg411_scie_05 bmp_scie_05 fgt1_scie_05 fgt2_scie_05 sdg411_math_01 bmp_math_01 fgt1_math_01 fgt2_math_01 sdg411_math_02 bmp_math_02 fgt1_math_02 fgt2_math_02 sdg411_math_03 bmp_math_03 fgt1_math_03 fgt2_math_03 sdg411_math_04 bmp_math_04 fgt1_math_04 fgt2_math_04 sdg411_math_05 bmp_math_05 fgt1_math_05 fgt2_math_05
About the 584,545 observations in this dataset:
. tab countrycode idgrade if national_level==1
WB country |
code (3 | Grade ID
letters) | 4 5 6 8 9 | Total
-----------+-------------------------------------------------------+----------
ARE | 14,720 0 0 14,089 0 | 28,809
ARM | 5,146 0 0 0 5,846 | 10,992
AUS | 6,146 0 0 7,556 0 | 13,702
AUT | 4,668 0 0 0 0 | 4,668
AZE | 4,882 0 0 0 0 | 4,882
BEL | 4,849 0 0 0 0 | 4,849
BHR | 4,083 0 0 4,640 0 | 8,723
BWA | 0 0 4,198 0 5,400 | 9,598
CHL | 5,585 0 0 5,835 0 | 11,420
CZE | 4,578 0 0 0 0 | 4,578
DEU | 3,995 0 0 0 0 | 3,995
DNK | 3,987 0 0 0 0 | 3,987
ESP | 4,183 0 0 0 0 | 4,183
FIN | 4,638 0 0 4,266 0 | 8,904
GBR | 3,571 3,397 0 0 3,842 | 10,810
GEO | 4,799 0 0 4,563 0 | 9,362
GHA | 0 0 0 7,323 0 | 7,323
HKG | 3,957 0 0 4,015 0 | 7,972
HND | 0 0 3,919 0 4,418 | 8,337
HRV | 4,584 0 0 0 0 | 4,584
HUN | 5,204 0 0 5,178 0 | 10,382
IDN | 0 0 0 5,795 0 | 5,795
IRL | 4,560 0 0 0 0 | 4,560
IRN | 5,760 0 0 6,029 0 | 11,789
ISR | 0 0 0 4,699 0 | 4,699
ITA | 4,200 0 0 3,979 0 | 8,179
JOR | 0 0 0 7,694 0 | 7,694
JPN | 4,411 0 0 4,414 0 | 8,825
KAZ | 4,382 0 0 4,390 0 | 8,772
KOR | 4,334 0 0 5,166 0 | 9,500
KWT | 4,142 0 0 0 0 | 4,142
LBN | 0 0 0 3,974 0 | 3,974
LTU | 4,688 0 0 4,747 0 | 9,435
MAR | 7,841 0 0 8,986 0 | 16,827
MKD | 0 0 0 4,062 0 | 4,062
MLT | 0 3,607 0 0 0 | 3,607
MYS | 0 0 0 5,733 0 | 5,733
NLD | 3,229 0 0 0 0 | 3,229
NOR | 3,121 0 0 3,862 0 | 6,983
NZL | 0 5,572 0 0 5,336 | 10,908
OMN | 10,411 0 0 9,542 0 | 19,953
POL | 5,027 0 0 0 0 | 5,027
PRT | 4,042 0 0 0 0 | 4,042
PSE | 0 0 0 7,812 0 | 7,812
QAT | 4,117 0 0 4,422 0 | 8,539
ROU | 4,673 0 0 5,523 0 | 10,196
RUS | 4,467 0 0 4,893 0 | 9,360
SAU | 4,515 0 0 4,344 0 | 8,859
SGP | 6,368 0 0 5,927 0 | 12,295
SRB | 4,379 0 0 0 0 | 4,379
SVK | 5,616 0 0 0 0 | 5,616
SVN | 4,492 0 0 4,415 0 | 8,907
SWE | 4,663 0 0 5,573 0 | 10,236
SYR | 0 0 0 4,413 0 | 4,413
THA | 4,448 0 0 6,124 0 | 10,572
TUN | 4,912 0 0 5,128 0 | 10,040
TUR | 7,479 0 0 6,928 0 | 14,407
UKR | 0 0 0 3,378 0 | 3,378
USA | 12,569 0 0 10,477 0 | 23,046
YEM | 8,058 0 4,929 0 0 | 12,987
ZAF | 0 0 0 0 11,969 | 11,969
-----------+-------------------------------------------------------+----------
Total | 244,479 12,576 13,046 219,894 36,811 | 526,806
.
. tab countrycode idgrade if national_level==0
WB country |
code (3 | Grade ID
letters) | 4 8 | Total
-----------+----------------------+----------
ARE | 10,315 9,944 | 20,259
CAN | 12,450 15,704 | 28,154
TWN | 4,284 5,042 | 9,326
-----------+----------------------+----------
Total | 27,049 30,690 | 57,739
Harmonization of proficiency (done on-the-fly):
sdg411_scie_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 207,258 35.46 35.46
Proficient | 377,287 64.54 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_scie_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 377,287 64.54 64.54
Non-proficient | 207,258 35.46 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_scie_01 | 207,258 .2215698 .1834384 1.52e-06 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_scie_01 | 207,258 .0827427 .1303197 2.30e-12 .9790582
sdg411_scie_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 208,733 35.71 35.71
Proficient | 375,812 64.29 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_scie_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 375,812 64.29 64.29
Non-proficient | 208,733 35.71 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_scie_02 | 208,733 .2228072 .1852539 3.79e-07 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_scie_02 | 208,733 .0839619 .1328595 1.44e-13 .9790582
sdg411_scie_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 207,353 35.47 35.47
Proficient | 377,192 64.53 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_scie_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 377,192 64.53 64.53
Non-proficient | 207,353 35.47 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_scie_03 | 207,353 .2208352 .1837876 1.26e-07 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_scie_03 | 207,353 .0825459 .1307622 1.60e-14 .9790582
sdg411_scie_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 209,081 35.77 35.77
Proficient | 375,464 64.23 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_scie_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 375,464 64.23 64.23
Non-proficient | 209,081 35.77 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_scie_04 | 209,081 .2238698 .186057 3.35e-06 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_scie_04 | 209,081 .0847347 .133985 1.12e-11 .9790582
sdg411_scie_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 206,707 35.36 35.36
Proficient | 377,838 64.64 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_scie_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 377,838 64.64 64.64
Non-proficient | 206,707 35.36 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_scie_05 | 206,707 .221509 .1832123 3.25e-07 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_scie_05 | 206,707 .0826328 .1297045 1.06e-13 .9790582
sdg411_math_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 223,164 38.18 38.18
Proficient | 361,381 61.82 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_math_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 361,381 61.82 61.82
Non-proficient | 223,164 38.18 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_math_01 | 223,164 .2056361 .1565859 1.31e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_math_01 | 223,164 .0668052 .09547 1.70e-12 .9751562
sdg411_math_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 222,856 38.12 38.12
Proficient | 361,689 61.88 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_math_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 361,689 61.88 61.88
Non-proficient | 222,856 38.12 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_math_02 | 222,856 .2071323 .1573466 3.16e-07 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_math_02 | 222,856 .0676616 .0960663 9.97e-14 .9790582
sdg411_math_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 221,823 37.95 37.95
Proficient | 362,722 62.05 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_math_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 362,722 62.05 62.05
Non-proficient | 221,823 37.95 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_math_03 | 221,823 .206846 .157036 1.05e-06 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_math_03 | 221,823 .0674455 .0952634 1.11e-12 .9790582
sdg411_math_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 223,381 38.21 38.21
Proficient | 361,164 61.79 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_math_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 361,164 61.79 61.79
Non-proficient | 223,381 38.21 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_math_04 | 223,381 .2076019 .1578754 1.07e-06 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_math_04 | 223,381 .0680231 .0964792 1.15e-12 .9790582
sdg411_math_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 222,941 38.14 38.14
Proficient | 361,604 61.86 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
bmp_math_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 361,604 61.86 61.86
Non-proficient | 222,941 38.14 100.00
---------------------+-----------------------------------
Total | 584,545 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_math_05 | 222,941 .2071964 .1574196 1.68e-07 .9894737
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_math_05 | 222,941 .0677112 .0959571 2.84e-14 .9790582
+-----------------------------------------------------------+
| idgrade prefix harmonization_condition |
|-----------------------------------------------------------|
1. | 4 lp01 scie_01 = (score_timss_scie_01 >= 400) |
2. | 4 lp02 scie_02 = (score_timss_scie_02 >= 400) |
3. | 4 lp03 scie_03 = (score_timss_scie_03 >= 400) |
4. | 4 lp04 scie_04 = (score_timss_scie_04 >= 400) |
5. | 4 lp05 scie_05 = (score_timss_scie_05 >= 400) |
|-----------------------------------------------------------|
6. | 4 lp06 math_01 = (score_timss_math_01 >= 400) |
7. | 4 lp07 math_02 = (score_timss_math_02 >= 400) |
8. | 4 lp08 math_03 = (score_timss_math_03 >= 400) |
9. | 4 lp09 math_04 = (score_timss_math_04 >= 400) |
10. | 4 lp10 math_05 = (score_timss_math_05 >= 400) |
|-----------------------------------------------------------|
11. | 5 lp01 scie_01 = (score_timss_scie_01 >= 400) |
12. | 5 lp02 scie_02 = (score_timss_scie_02 >= 400) |
13. | 5 lp03 scie_03 = (score_timss_scie_03 >= 400) |
14. | 5 lp04 scie_04 = (score_timss_scie_04 >= 400) |
15. | 5 lp05 scie_05 = (score_timss_scie_05 >= 400) |
|-----------------------------------------------------------|
16. | 5 lp06 math_01 = (score_timss_math_01 >= 400) |
17. | 5 lp07 math_02 = (score_timss_math_02 >= 400) |
18. | 5 lp08 math_03 = (score_timss_math_03 >= 400) |
19. | 5 lp09 math_04 = (score_timss_math_04 >= 400) |
20. | 5 lp10 math_05 = (score_timss_math_05 >= 400) |
|-----------------------------------------------------------|
21. | 6 lp01 scie_01 = (score_timss_scie_01 >= 400) |
22. | 6 lp02 scie_02 = (score_timss_scie_02 >= 400) |
23. | 6 lp03 scie_03 = (score_timss_scie_03 >= 400) |
24. | 6 lp04 scie_04 = (score_timss_scie_04 >= 400) |
25. | 6 lp05 scie_05 = (score_timss_scie_05 >= 400) |
|-----------------------------------------------------------|
26. | 6 lp06 math_01 = (score_timss_math_01 >= 400) |
27. | 6 lp07 math_02 = (score_timss_math_02 >= 400) |
28. | 6 lp08 math_03 = (score_timss_math_03 >= 400) |
29. | 6 lp09 math_04 = (score_timss_math_04 >= 400) |
30. | 6 lp10 math_05 = (score_timss_math_05 >= 400) |
|-----------------------------------------------------------|
31. | 8 lp01 scie_01 = (score_timss_scie_01 >= 475) |
32. | 8 lp02 scie_02 = (score_timss_scie_02 >= 475) |
33. | 8 lp03 scie_03 = (score_timss_scie_03 >= 475) |
34. | 8 lp04 scie_04 = (score_timss_scie_04 >= 475) |
35. | 8 lp05 scie_05 = (score_timss_scie_05 >= 475) |
|-----------------------------------------------------------|
36. | 8 lp06 math_01 = (score_timss_math_01 >= 475) |
37. | 8 lp07 math_02 = (score_timss_math_02 >= 475) |
38. | 8 lp08 math_03 = (score_timss_math_03 >= 475) |
39. | 8 lp09 math_04 = (score_timss_math_04 >= 475) |
40. | 8 lp10 math_05 = (score_timss_math_05 >= 475) |
|-----------------------------------------------------------|
41. | 9 lp01 scie_01 = (score_timss_scie_01 >= 475) |
42. | 9 lp02 scie_02 = (score_timss_scie_02 >= 475) |
43. | 9 lp03 scie_03 = (score_timss_scie_03 >= 475) |
44. | 9 lp04 scie_04 = (score_timss_scie_04 >= 475) |
45. | 9 lp05 scie_05 = (score_timss_scie_05 >= 475) |
|-----------------------------------------------------------|
46. | 9 lp06 math_01 = (score_timss_math_01 >= 475) |
47. | 9 lp07 math_02 = (score_timss_math_02 >= 475) |
48. | 9 lp08 math_03 = (score_timss_math_03 >= 475) |
49. | 9 lp09 math_04 = (score_timss_math_04 >= 475) |
50. | 9 lp10 math_05 = (score_timss_math_05 >= 475) |
+-----------------------------------------------------------+