This dataset is part of the Global Learning Assessment Database (GLAD). It contains microdata from PIRLS 2016. Each observation corresponds to one learner (student or pupil), and the variables have been harmonized.
Metadata stored in this dataset:
region: WLD
year: 2016
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 08:38:56 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 346852 61 20376.42 31 724005 Country ID, as coded in rawdata
idschool 346852 926 149.157 1 926 School ID
idgrade 346852 3 4.043843 3 5 Grade ID
idclass 346852 2864 14917.9 101 92604 Class ID
idlearner 346852 78656 1491803 10101 9260427 Learner ID
surveyid 346852 1 . . . Survey ID (Region_Year_Assessment)
countrycode 346852 49 . . . WB country code (3 letters)
national_l~l 346852 2 .8833624 0 1 Idcntry_raw is a national level
score_pir~01 346852 305992 499.8148 5 829.3417 Plausible value 01: PIRLS score for read
score_pir~02 346852 305899 498.9991 5 836.1615 Plausible value 02: PIRLS score for read
score_pir~03 346852 305869 498.3702 5 859.8704 Plausible value 03: PIRLS score for read
score_pir~04 346852 306117 498.5835 5 844.9731 Plausible value 04: PIRLS score for read
score_pir~05 346852 305772 498.8344 5 830.5896 Plausible value 05: PIRLS score for read
level_pir~01 346852 5 2.94519 1 5 Plausible value 01: PIRLS level for read
level_pir~02 346852 5 2.937132 1 5 Plausible value 02: PIRLS level for read
level_pir~03 346852 5 2.929679 1 5 Plausible value 03: PIRLS level for read
level_pir~04 346852 5 2.932556 1 5 Plausible value 04: PIRLS level for read
level_pir~05 346852 5 2.935281 1 5 Plausible value 05: PIRLS level for read
age 346488 119 10.14627 6 15.92 Learner age at time of assessment
urban 336241 2 .8680797 0 1 School is located in urban/rural area
urban_o1 336241 8 . . . Original variable of urban: population size of the school area
urban_o2 336241 6 . . . Original variable of urban: school is located in urban/rural area
male 346852 2 .5054202 0 1 Learner gender is male/female
escs 337332 216719 .3141503 -3.534295 1.962638
qescs 337332 5 3.067779 1 5 Quintiles of Socio-Economic Status
has_qescs 346852 2 .9725531 0 1 Dummy variable for observations with a valid QESCS
learner_we~t 346852 11698 55.20492 .923076 2948.056 Total learner weight
jkzone 346852 75 37.92561 1 75 Jackknife zone
jkrep 346852 2 .4994522 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 346,852 observations in this dataset:
. tab countrycode idgrade if national_level==1
WB country |
code (3 | Grade ID
letters) | 3 4 5 | Total
-----------+---------------------------------+----------
ARE | 0 16,471 0 | 16,471
AUS | 0 6,341 0 | 6,341
AUT | 0 4,360 0 | 4,360
AZE | 0 5,994 0 | 5,994
BEL | 0 9,821 0 | 9,821
BGR | 0 4,281 0 | 4,281
BHR | 0 5,480 0 | 5,480
CAN | 0 18,245 0 | 18,245
CHL | 0 4,294 0 | 4,294
CZE | 0 5,537 0 | 5,537
DEU | 0 3,959 0 | 3,959
DNK | 3,600 3,508 0 | 7,108
EGY | 0 6,957 0 | 6,957
ESP | 0 14,595 0 | 14,595
FIN | 0 4,896 0 | 4,896
FRA | 0 4,767 0 | 4,767
GBR | 0 8,788 0 | 8,788
GEO | 0 5,741 0 | 5,741
HKG | 0 3,349 0 | 3,349
HUN | 0 4,623 0 | 4,623
IRL | 0 4,607 0 | 4,607
IRN | 0 8,766 0 | 8,766
ISR | 0 4,041 0 | 4,041
ITA | 0 3,940 0 | 3,940
KAZ | 0 4,925 0 | 4,925
KWT | 0 4,609 0 | 4,609
LTU | 0 4,317 0 | 4,317
LVA | 0 4,157 0 | 4,157
MAC | 0 4,059 0 | 4,059
MAR | 0 10,942 0 | 10,942
MLT | 0 0 3,647 | 3,647
NLD | 0 4,206 0 | 4,206
NOR | 0 4,354 4,232 | 8,586
NZL | 0 0 5,646 | 5,646
OMN | 0 9,234 0 | 9,234
POL | 0 4,413 0 | 4,413
PRT | 0 4,642 0 | 4,642
QAT | 0 9,077 0 | 9,077
RUS | 0 4,577 0 | 4,577
SAU | 0 4,741 0 | 4,741
SGP | 0 6,488 0 | 6,488
SVK | 0 5,451 0 | 5,451
SVN | 0 4,499 0 | 4,499
SWE | 0 4,525 0 | 4,525
TTO | 0 4,177 0 | 4,177
USA | 0 4,425 0 | 4,425
ZAF | 0 12,810 5,282 | 18,092
-----------+---------------------------------+----------
Total | 3,600 283,989 18,807 | 306,396
.
. tab countrycode idgrade if national_level==0
WB country |
code (3 | Grade ID
letters) | 4 | Total
-----------+-----------+----------
ARE | 12,047 | 12,047
ARG | 4,382 | 4,382
CAN | 7,449 | 7,449
ESP | 7,963 | 7,963
RUS | 4,289 | 4,289
TWN | 4,326 | 4,326
-----------+-----------+----------
Total | 40,456 | 40,456
Harmonization of proficiency (done on-the-fly):
sdg411_read_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 59,618 17.19 17.19
Proficient | 287,234 82.81 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
bmp_read_01 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 287,234 82.81 82.81
Non-proficient | 59,618 17.19 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_01 | 59,618 .2147295 .1751304 7.62e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_01 | 59,618 .0767789 .1158725 5.81e-11 .9751562
sdg411_read_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 60,701 17.50 17.50
Proficient | 286,151 82.50 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
bmp_read_02 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 286,151 82.50 82.50
Non-proficient | 60,701 17.50 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_02 | 60,701 .2167935 .1769424 2.35e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_02 | 60,701 .0783075 .1175284 5.52e-12 .9751562
sdg411_read_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 61,128 17.62 17.62
Proficient | 285,724 82.38 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
bmp_read_03 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 285,724 82.38 82.38
Non-proficient | 61,128 17.62 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_03 | 61,128 .2175125 .177701 1.08e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_03 | 61,128 .0788888 .1194481 1.16e-12 .9751562
sdg411_read_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 60,903 17.56 17.56
Proficient | 285,949 82.44 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
bmp_read_04 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 285,949 82.44 82.44
Non-proficient | 60,903 17.56 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_04 | 60,903 .2180459 .1770917 8.25e-07 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_04 | 60,903 .078905 .1184298 6.81e-13 .9751562
sdg411_read_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Non-proficient | 60,502 17.44 17.44
Proficient | 286,350 82.56 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
bmp_read_05 | Freq. Percent Cum.
---------------------+-----------------------------------
Proficient | 286,350 82.56 82.56
Non-proficient | 60,502 17.44 100.00
---------------------+-----------------------------------
Total | 346,852 100.00
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt1_read_05 | 60,502 .2164901 .176858 9.13e-06 .9875
Variable | Obs Mean Std. dev. Min Max
-------------+---------------------------------------------------------
fgt2_read_05 | 60,502 .0781462 .1174495 8.33e-11 .9751562
+-----------------------------------------------------------+
| idgrade prefix harmonization_condition |
|-----------------------------------------------------------|
1. | 3 lp01 read_01 = (score_pirls_read_01 >= 400) |
2. | 3 lp02 read_02 = (score_pirls_read_02 >= 400) |
3. | 3 lp03 read_03 = (score_pirls_read_03 >= 400) |
4. | 3 lp04 read_04 = (score_pirls_read_04 >= 400) |
5. | 3 lp05 read_05 = (score_pirls_read_05 >= 400) |
|-----------------------------------------------------------|
6. | 4 lp01 read_01 = (score_pirls_read_01 >= 400) |
7. | 4 lp02 read_02 = (score_pirls_read_02 >= 400) |
8. | 4 lp03 read_03 = (score_pirls_read_03 >= 400) |
9. | 4 lp04 read_04 = (score_pirls_read_04 >= 400) |
10. | 4 lp05 read_05 = (score_pirls_read_05 >= 400) |
|-----------------------------------------------------------|
11. | 5 lp01 read_01 = (score_pirls_read_01 >= 400) |
12. | 5 lp02 read_02 = (score_pirls_read_02 >= 400) |
13. | 5 lp03 read_03 = (score_pirls_read_03 >= 400) |
14. | 5 lp04 read_04 = (score_pirls_read_04 >= 400) |
15. | 5 lp05 read_05 = (score_pirls_read_05 >= 400) |
+-----------------------------------------------------------+