This dataset is part of the Global Learning Assessment Database (GLAD). It contains microdata from PIRLS 2006. Each observation corresponds to one learner (student or pupil), and the variables have been harmonized.
Metadata stored in this dataset:
region: WLD
year: 2006
assessment: PIRLS
master: v01_M
adaptation: wrk_A_GLAD
module: ALL
ttl_info: Joao Pedro de Azevedo [[email protected]]
dofile_info: last modified by Joao Pedro Azevedo in Feb 05, 2022
lastsave: 12 Feb 2022 09:17:01 by wb255520
About the 64 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_pirls_read_01 score_pirls_read_02 score_pirls_read_03 score_pirls_read_04 score_pirls_read_05 level_pirls_read_01 level_pirls_read_02 level_pirls_read_03 level_pirls_read_04 level_pirls_read_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 218324 47 1479.606 40 9578 Country ID, as coded in rawdata
idschool 218324 1164 198.9582 1 3013 School ID
idgrade 218324 2 4.133751 4 5 Grade ID
idclass 218324 2745 19897.8 101 301301 Class ID
idlearner 218324 67604 1989793 10101 3.01e+07 Learner ID
surveyid 218324 1 . . . Survey ID (Region_Year_Assessment)
countrycode 218324 39 . . . WB country code (3 letters)
national_l~l 218324 2 .8847859 0 1 Idcntry_raw is a national level
score_pir~01 218324 211016 498.9139 5 813.1425 Plausible value 01: PIRLS score for read
score_pir~02 218324 211182 498.4421 5 815.0239 Plausible value 02: PIRLS score for read
score_pir~03 218324 211087 498.3068 5 822.1505 Plausible value 03: PIRLS score for read
score_pir~04 218324 211162 498.1786 5 873.369 Plausible value 04: PIRLS score for read
score_pir~05 218324 211211 498.3606 5 831.95 Plausible value 05: PIRLS score for read
level_pir~01 218324 5 2.959496 1 5 Plausible value 01: PIRLS level for read
level_pir~02 218324 5 2.95607 1 5 Plausible value 02: PIRLS level for read
level_pir~03 218324 5 2.952772 1 5 Plausible value 03: PIRLS level for read
level_pir~04 218324 5 2.953436 1 5 Plausible value 04: PIRLS level for read
level_pir~05 218324 5 2.954613 1 5 Plausible value 05: PIRLS level for read
age 217911 115 10.37275 6.33 15.92 Learner age at time of assessment
urban 193549 2 .8509576 0 1 School is located in urban/rural area
urban_o1 198630 7 . . . Original variable of urban: population size of the school area
urban_o2 198595 4 . . . Original variable of urban: school is located in urban/rural area
male 218324 2 .5056109 0 1 Learner gender is male/female
escs 213134 81213 .3310619 -3.499355 2.140251
qescs 213134 5 3.064232 1 5 Quintiles of Socio-Economic Status
has_qescs 218324 2 .976228 0 1 Dummy variable for observations with a valid QESCS
learner_we~t 218324 8136 77.79622 1 3073.044 Total learner weight
jkzone 218324 75 34.77582 1 75 Jackknife zone
jkrep 218324 2 .5008611 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 lp01_threshold_val lp02_threshold_val lp03_threshold_val lp04_threshold_val lp05_threshold_val lp01_threshold_res lp02_threshold_res lp03_threshold_res lp04_threshold_res lp05_threshold_res
valuevars: sdg411_read_01 bmp_read_01 fgt1_read_01 fgt2_read_01 sdg411_read_02 bmp_read_02 fgt1_read_02 fgt2_read_02 sdg411_read_03 bmp_read_03 fgt1_read_03 fgt2_read_03 sdg411_read_04 bmp_read_04 fgt1_read_04 fgt2_read_04 sdg411_read_05 bmp_read_05 fgt1_read_05 fgt2_read_05
About the 218,324 observations in this dataset:
. tab countrycode idgrade if national_level==1
WB country |
code (3 | Grade ID
letters) | 4 5 | Total
-----------+----------------------+----------
AUT | 5,067 0 | 5,067
BEL | 9,031 0 | 9,031
BGR | 3,863 0 | 3,863
DEU | 7,899 0 | 7,899
DNK | 4,001 0 | 4,001
ESP | 4,094 0 | 4,094
FRA | 4,404 0 | 4,404
GBR | 7,811 0 | 7,811
GEO | 4,402 0 | 4,402
HKG | 4,712 0 | 4,712
HUN | 4,068 0 | 4,068
IDN | 4,774 0 | 4,774
IRN | 5,411 0 | 5,411
ISL | 3,673 1,379 | 5,052
ISR | 3,908 0 | 3,908
ITA | 3,581 0 | 3,581
KWT | 3,958 0 | 3,958
LTU | 4,701 0 | 4,701
LUX | 0 5,101 | 5,101
LVA | 4,162 0 | 4,162
MAR | 3,249 0 | 3,249
MDA | 4,036 0 | 4,036
MKD | 4,002 0 | 4,002
NLD | 4,156 0 | 4,156
NOR | 3,837 1,808 | 5,645
NZL | 0 6,256 | 6,256
POL | 4,854 0 | 4,854
QAT | 6,680 0 | 6,680
ROU | 4,273 0 | 4,273
RUS | 4,720 0 | 4,720
SGP | 6,390 0 | 6,390
SVK | 5,380 0 | 5,380
SVN | 5,337 0 | 5,337
SWE | 4,394 0 | 4,394
TTO | 3,951 0 | 3,951
USA | 5,190 0 | 5,190
ZAF | 0 14,657 | 14,657
-----------+----------------------+----------
Total | 163,969 29,201 | 193,170
.
. tab countrycode idgrade if national_level==0
WB country |
code (3 | Grade ID
letters) | 4 | Total
-----------+-----------+----------
CAN | 20,565 | 20,565
TWN | 4,589 | 4,589
-----------+-----------+----------
Total | 25,154 | 25,154
Harmonization of proficiency (done on-the-fly):
sdg411_read_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 35,955 16.47 16.47
Proficient | 182,369 83.53 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
bmp_read_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 182,369 83.53 83.53
Non-proficient | 35,955 16.47 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_01 | 35,955 .2506279 .1990735 5.40e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_01 | 35,955 .1024435 .1432955 2.91e-11 .9751562
sdg411_read_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 36,171 16.57 16.57
Proficient | 182,153 83.43 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
bmp_read_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 182,153 83.43 83.43
Non-proficient | 36,171 16.57 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_02 | 36,171 .2520115 .2002079 8.52e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_02 | 36,171 .1035919 .1441999 7.25e-11 .9751562
sdg411_read_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 36,128 16.55 16.55
Proficient | 182,196 83.45 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
bmp_read_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 182,196 83.45 83.45
Non-proficient | 36,128 16.55 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_03 | 36,128 .2521241 .1993406 .00002 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_03 | 36,128 .1033021 .1430196 3.99e-10 .9751562
sdg411_read_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 36,296 16.62 16.62
Proficient | 182,028 83.38 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
bmp_read_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 182,028 83.38 83.38
Non-proficient | 36,296 16.62 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_04 | 36,296 .2536688 .1997345 .0000254 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_04 | 36,296 .1042406 .143433 6.46e-10 .9751562
sdg411_read_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 36,124 16.55 16.55
Proficient | 182,200 83.45 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
bmp_read_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 182,200 83.45 83.45
Non-proficient | 36,124 16.55 100.00
---------------------+-----------------------------------
Total | 218,324 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_05 | 36,124 .2534531 .2006008 .0000148 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_05 | 36,124 .104478 .1446848 2.18e-10 .9751562
+-----------------------------------------------------------+
| idgrade prefix harmonization_condition |
|-----------------------------------------------------------|
1. | 4 lp01 read_01 = (score_pirls_read_01 >= 400) |
2. | 4 lp02 read_02 = (score_pirls_read_02 >= 400) |
3. | 4 lp03 read_03 = (score_pirls_read_03 >= 400) |
4. | 4 lp04 read_04 = (score_pirls_read_04 >= 400) |
5. | 4 lp05 read_05 = (score_pirls_read_05 >= 400) |
|-----------------------------------------------------------|
6. | 5 lp01 read_01 = (score_pirls_read_01 >= 400) |
7. | 5 lp02 read_02 = (score_pirls_read_02 >= 400) |
8. | 5 lp03 read_03 = (score_pirls_read_03 >= 400) |
9. | 5 lp04 read_04 = (score_pirls_read_04 >= 400) |
10. | 5 lp05 read_05 = (score_pirls_read_05 >= 400) |
+-----------------------------------------------------------+