The Bridge Effect: A Comparison of Early Grade Learning Gains in English and Maths
Table 35. Differences in Baseline Test Scores
A8. Differential Attrition Regressions
Non-Attrited vs. Attrited Pupils, Public Schools
A8.1. Differential Attrition Probits
Pre-Unit
Count
Stayed
Left
715
661
Class 1 Diff
Stayed
Left
744
573
Class 2 Diff
Stayed
Left
836
575
Overall Diff
Stayed
Left
2451
2068
Diff
Table 36. Likelihood of Attrition, Bridge vs. Public Schools Early Grade Reading Assessment (1)
EGRA Zero Scores % Zero Listening Comp.
0.77
0.79
-0.02
0.48
0.51
-0.03
--
--
--
0.51
0.57
-0.07**
% Zero Non-word Reading
0.41
0.52
-0.11**
0.16
0.26
-0.1**
--
--
--
0.22
0.35
-0.13**
% Zero Familiar Word Reading
0.35
0.48
-0.13**
0.11
0.20
-0.09**
0.03
0.07
-0.05**
0.17
0.27
-0.1**
% Zero Passage Fluency
0.44
0.55
-0.1**
0.12
0.22
-0.11**
0.03
0.09
-0.05**
0.18
0.27
-0.09**
% Zero Reading Comp.
0.87
0.88
-0.01
0.45
0.54
-0.08**
0.17
0.28
-0.11**
0.46
0.53
-0.08**
0.13
0.12
0.01
0.32
0.28
0.04*
--
--
--
0.32
0.27
0.06
Bridge
Baseline Score
EGRA Mean Scores Listening Comprehension Non-word Reading
9.06
7.55
1.51**
20.84
17.71
3.13**
--
--
--
19.80
15.71
4.09
Familiar Word Reading
7.87
6.59
1.28*
27.32
22.60
4.72**
43.65
37.42
6.23**
27.95
24.28
3.67**
Passage Fluency
8.66
7.52
1.14
35.80
28.05
7.75**
61.04
51.86
9.18**
39.04
34.99
4.05**
Reading Comprehension
0.04
0.03
0.00
0.19
0.15
0.04**
0.37
0.31
0.06**
0.22
0.19
0.03**
Baseline Score*Bridge
Age
EGMA Zero Scores % Zero Quantity Disc.
0.15
0.17
-0.03
--
--
--
--
--
--
0.06
0.08
-0.02**
% Zero Addition Level I
0.18
0.22
-0.05*
0.02
0.05
-0.03**
0.01
0.01
-0.01
0.06
0.09
-0.03**
% Zero Addition Level II
--
--
--
1.00
1.00
0.00
1.00
1.00
0.00
1.00
1.00
0.00
% Zero Subtraction Level I
--
--
--
0.07
0.09
-0.02
0.02
0.02
0.00
0.04
0.05
-0.01
% Zero Subtraction Level II
--
--
--
0.37
0.40
-0.03
0.15
0.19
-0.04
0.24
0.27
-0.02
% Zero Word Problems
--
--
--
0.32
0.35
-0.03
0.16
0.19
-0.03
0.22
0.24
-0.02
Quantity Discrimination
0.41
0.38
0.03
--
--
--
--
--
--
0.69
0.65
0.04**
Female
Years of ECD
Has Radio
EGMA Mean Scores
Addition Level I
4.04
3.65
0.38*
8.50
8.08
0.42
11.43
11.09
0.34
8.45
8.26
0.19
Addition Level II
--
--
--
0.40
0.37
0.03
0.65
0.62
0.03
0.54
0.54
0.01
Subtraction Level I
--
--
--
6.31
6.08
0.23
8.72
8.45
0.27
7.80
7.99
-0.20
Subtraction Level II
--
--
--
0.29
0.27
0.02
0.49
0.46
0.03
0.41
0.40
0.01
Word Problems
--
--
--
0.26
0.24
0.02
0.43
0.40
0.03
0.36
0.36
0.00
Has TV
Has Electricity
(2)
(3)
(4)
Early Grade Math Assessment (5)
(8)
(9)
(10)
(11)
(12)
(13)
Listening Comp.
Non-Word Reading
Word Reading
Passage Fluency
Reading Comp.
Quantity Disc.
Add Level I
Add Level II
Sub Level I
Sub Level 2
Word Prob.
1.322*
1.448*
1.092*
1.031*
0.982+
1.539*
1.109*
0.759
1.021
0.760
0.819
(0.660)
(0.630)
(0.515)
(0.525)
(0.537)
(0.631)
(0.523)
(0.651)
(0.644)
(0.657)
(0.649)
0.0257
-0.139*
-0.102*
-0.0807
-0.00332
-0.141**
-0.115**
-0.00190
-0.0941*
-0.00321
-0.0328
(0.0674)
(0.0684)
(0.0519)
(0.0607)
(0.0636)
(0.0458)
(0.0429)
(0.0415)
(0.0411)
(0.0525)
(0.0530)
-0.0830
0.0240
-0.0244
-0.0575
-0.0759
0.0306
-0.0326
-0.0524
0.0687
-0.0578
-0.0102
(0.0758)
(0.0835)
(0.0621)
(0.0692)
(0.0726)
(0.0588)
(0.0564)
(0.0535)
(0.0576)
(0.0654)
(0.0690)
-0.0127
-0.00624
0.0123
0.00889
-0.00104
0.0138
0.0241
0.0181
0.0289
0.0181
0.0210
(0.0313)
(0.0303)
(0.0233)
(0.0228)
(0.0234)
(0.0289)
(0.0224)
(0.0278)
(0.0286)
(0.0288)
(0.0290)
-0.249**
-0.235**
-0.202**
-0.206**
-0.218**
-0.228**
-0.207**
-0.212**
-0.204**
-0.212**
-0.211**
(0.0710)
(0.0743)
(0.0515)
(0.0522)
(0.0522)
(0.0723)
(0.0498)
(0.0534)
(0.0518)
(0.0533)
(0.0530)
0.0377
0.0407
0.0108
0.00820
0.00147
0.0432
0.00828
-0.0369
-0.0295
-0.0370
-0.0353
(0.0426)
(0.0428)
(0.0382)
(0.0387)
(0.0375)
(0.0432)
(0.0383)
(0.0459)
(0.0463)
(0.0460)
(0.0467)
-0.0547
-0.0532
-0.0914
-0.0938
-0.0964
-0.0472
-0.0926
-0.139
-0.150
-0.139
-0.140
(0.128)
(0.126)
(0.113)
(0.114)
(0.114)
(0.128)
(0.115)
(0.117)
(0.121)
(0.116)
(0.118)
0.0543
0.0622
0.154
0.153
0.151
0.0807
0.151
0.221*
0.223+
0.221*
0.218+
(0.134)
(0.135)
(0.103)
(0.104)
(0.104)
(0.134)
(0.103)
(0.112)
(0.114)
(0.112)
(0.113)
0.0994
0.114
0.130
0.123
0.111
0.105
0.117
0.146
0.151
0.146
0.146
(0.101)
(0.0998)
(0.0846)
(0.0838)
(0.0838)
(0.0982)
(0.0810)
(0.0957)
(0.0948)
(0.0954)
(0.0955)
0.406*
0.400*
0.399**
0.396**
0.385**
0.426*
0.396**
0.331*
0.353*
0.331*
0.335*
(0.176)
(0.174)
(0.147)
(0.147)
(0.146)
(0.179)
(0.146)
(0.161)
(0.160)
(0.160)
(0.160)
0.347*
0.395*
0.231
0.226
0.214
0.396*
0.231
0.199
0.214
0.198
0.207
(0.172)
(0.166)
(0.145)
(0.145)
(0.149)
(0.176)
(0.144)
(0.138)
(0.137)
(0.136)
(0.141)
-0.000187
-0.00811
0.0355
0.0369
0.0421
-0.0190
0.0295
0.0583
0.0531
0.0585
0.0582
(0.126)
(0.128)
(0.103)
(0.102)
(0.101)
(0.125)
(0.103)
(0.104)
(0.105)
(0.104)
(0.105)
Note: * indicates p-value below 0.05, ** indicates p-value below 0.01. Mother Tongue
English
Listens to Radio
72
73
