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Improving Student Outcomes through Adaptive Learning Platforms: Experimental Evidence from the Dominican Republic 2023-2024
Baseline, Midline, and Endline Surveys

Dominican Republic, 2023 - 2024
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Reference ID
DOM_2023-2024_CALIE_v01_M
Producer(s)
Carolina Lopez, Astrid Pineda
Collection(s)
Development Research Microdata
Metadata
DDI/XML JSON
Created on
Jul 15, 2026
Last modified
Jul 15, 2026
Page views
3710
Downloads
33

Data file: CAL_DR_Data_deposit

Cases: 1333
Variables: 3082

Variables

qtce_1_3_1
Math class: % time spent in Classroom lectures
qtce_1_3_2
Math class: % time spent in Small group activities
qtce_1_3_3
Math class: % time spent in Individual work
qtce_1_3_4
Math class: % time spent in Others activities
qtce_1_4_1
You checked a student's folder/notebook
qtce_1_4_2
You talked to a parent about their child's performance
qtce_1_4_3
You talked to a student about his or her performance
qtce_1_4_4
You teamed up with a colleague in the same field for joint planning
qtce_1_4_5
You taught in a class to show a colleague at your school how to improve
qtce_1_4_6
You acknowledged the good work of a colleague in your school
qtce_1_4_7
You led a training workshop for your colleagues at your school
qtce_1_5
Did you use ALEKS to develop any activity (assignments, tests)?
qtce_1_6_1
You asked the students to use a textbook
qtce_1_6_2
You asked the students to use ALEKS
qtce_1_6_3
You asked the students to use a digital educational tool
qtce_1_6_4
You assigned homework to students
qtce_1_6_5
You asked students to copy from the board or the book
qtce_1_6_6
You asked the students to solve problems
qtce_1_6_7
You asked the students to work in groups
qtce_1_6_8
You asked the students to practice problems on the board
qtce_1_6_9
You explained topics to your students
qtce_1_6_10
You asked your students to complete tests
qtce_1_6_11
You corrected your students' homework
qtce_1_6_12
You reviewed topics from previous weeks with your students
qtce_1_7_1
Importance for students: Knowing facts and concepts
qtce_1_7_2
Importance for students: Being able to think critically
qtce_1_7_3
Importance for students: Being able to think creatively
qtce_1_7_4
Importance for students: Using language/lexicon correctly
qtce_1_8
How would you rate your level of familiarity with computers?
qtce_1_9
Have you ever used technological tools to teach math at school?
qtce_1_10
What tools have you used?
qtce_1_11
How comfortable do you feel using digital devices?
qtce_1_12
How important do you believe the use of devices and the internet for education?
qtce_1_13_1
Tech: Facilitate collaborative student learning
qtce_1_13_2
Tech: Depersonalizes the teaching-learning process
qtce_1_13_3
Tech: Encourage students not to make an effort and not to communicate with each
qtce_1_13_4
Tech: Facilitates the task of teachers in the classroom
qtce_1_13_5
Tech: Broaden opportunities for student access to information
qtce_1_13_6
Tech: Partially or totally replace the work of teachers in the classroom
qtce_1_13_7
Tech: Complements teachers' work in the classroom
qtce_2_1_1
Even a teacher with good teaching skills may NOT make a difference for many stud
qtce_2_2_1
Difference between students who do well and those who do not: family background
qtce_2_2_2
What makes the difference between students who do well in school and those who d
qtce_2_3_1
Men and women are naturally different in their ability, preferences, and charact
qtce_2_3_2
Men and women tend to think about solving mathematical problems differently
qtce_2_3_3
Men and women preferences and abilities are mostly the result of biological diff
qtce_2_4_1
When jobs are scarce, employers should prioritize individuals from this country
qtce_2_4_2
The Dominican school system offers all children a fair chance to improve their e
qtce_2_4_3
If students work hard to study, they can get a well-paying job regardless of the
qtce_2_4_4
School has little influence on students compared to the influence of their home
qtce_2_4_5
There are innate differences in the mathematical abilities of men and women
qtce_2_5_1
Intelligence is something that cannot be changed much
qtce_2_5_2
You can learn new things, but you cannot change a person's intelligence
qtce6_1
Did you use the ALEKS software during your classes?
qtce6_2
How frequently did you use it?
qtce6_3
How difficult was it to implement the software in your class?
qtce6_4
Complications you identified during the implementation?
qtce6_5
Do you think the CAL software was useful for your students?
qtce6_6
Did you use ALEKS software outside of class (e.g., to prepare for classes)?
qtce6_7
How often did you use it outside of class?
qtce6_8_1
Purpose ALEKS outside class: Assign activities
qtce6_8_2
Purpose ALEKS outside class: Assign tasks
qtce6_8_3
Purpose ALEKS outside class: Assign tests
qtce6_8_4
Purpose ALEKS outside class: View student progress
qtce6_8_5
Purpose ALEKS outside class: View time spent by students
qtce6_8__66
Purpose ALEKS outside class: Other
qtce6_9
How often did you talk to the ALEKS assistant about using the platform?
qtce6_12
What is the name of the tutor who provided tutoring to your students?
qtce6_13
How would you rate the tutors assigned to your students for tutoring?
qtce6_14
How often did you talk to the tutor assigned to tutor?
qtce6_15
If ALEKS is offered again during the next school year, would you be interested?
qtce6_16_1
Helpful: Initial training session on the ALEKS software
qtce6_16_2
Helpful: WhatsApp group with teachers
qtce6_16_3
Helpful: Support from the research team
qtce6_16_4
Helpful: Training material (guides)
qtce6_16_5
Helpful: ALEKS assistant support
qtce6_16_6
Helpful: Tutor support during ALEKS sessions
qtce6_16_7
Helpful: Support from tutors during extracurricular workshops
qtce_performance_perception_el
Score teacher expected the students will achieve on the test
qtce_univ_perception
Teacher Perception: Student will attend college
qtce_tutoring_recieve
Teacher: Students that were supported by a tutor
qtce_tutoring_util
Teacher thinks the tutoring sessions were helpful to these students
treatXtreat2_class
Interaction: CAL treatment x CAL+Tutoring classroom
treatXtreat2_st
Interaction: CAL treatment x tutoring student
treatXfemale
Interaction: CAL treatment x female student
treat2Xfemale
Interaction: CAL+Tutoring classroom x female student
treatXmotherhs
Interaction: CAL treatment x mother completed high school
treatXmotheruniv
Interaction: CAL treatment x mother completed university
treat2Xmotherhs
Interaction: CAL+Tutoring classroom x mother completed high school
treat2Xmotheruniv
Interaction: CAL+Tutoring classroom x mother completed university
b_low_math
=1 if baseline math score below sample mean
treatXb_low_math
Interaction: CAL treatment x below-average baseline math
treat2Xb_low_math
Interaction: CAL+Tutoring classroom x below-average baseline math
b_high_math
=1 if baseline math score at or above sample mean
overage
=1 if student is 15 years or older (overage)
treatXoverage
Interaction: CAL treatment x overage student
qstb_math_terc
3 quantiles of qcorr_math
qstb_math_cuart
4 quantiles of qcorr_math
qstb_math_cuart_notut
4 quantiles of qcorr_math
qstb_math_quint
5 quantiles of qcorr_math
qstb_math_dec
10 quantiles of qcorr_math
qstb_math_quintv2
4 quantiles of qcorr_math
student_ranking
Student rank within section by baseline math score (ascending)
num_students
Number of students in section
tut_num_students
Number of students eligible for tutoring (bottom 20% of section)
treat2_rank
=1 if student ranked in bottom 20% of section by baseline math
treat2_rank_v2
=1 if student ranked in bottom 20% (includes tie-breaking)
treat2_rank_tutoring
Tutoring assignment based on ranking (actual for CAL+Tut, simulated for others)
math_ml_pre
ML: Prerequisite math questions correct (raw)
math_ml_curr
ML: Curriculum math questions correct (raw)
std_math_ml_pre
Prerequisite math questions (midline)
std_math_ml_curr
Curriculum math questions (midline)
math_prop_ml
Midline Proportion Correct Items
math_prop_bl
Baseline Proportion Correct Items
math_algebra_ml
ML: Algebra questions correct (raw)
math_numbers_ml
ML: Numbers questions correct (raw)
math_data_prob_ml
ML: Data and probability questions correct (raw)
std_math_algebra_ml
TIMMS - Algebra questions
std_math_numbers_ml
TIMMS - Numbers questions
std_math_data_prob_ml
TIMMS - Data and prob questions
qstm_math_selfbelief_std
ML: Math self-belief index (standardized)
math_el_pre
EL: Prerequisite math questions correct (raw)
math_el_curr
EL: Curriculum math questions correct (raw)
std_math_el_pre
Prerequisite math questions (endline)
std_math_el_curr
Curriculum math questions (endline)
math_el_bl
EL: Baseline-repeated items correct (raw)
std_math_el_bl
Endline Math Test - Repeated items (SD)
math_prop_el_bl
EL proportion correct repeated items
math_only_el
EL: Non-repeated (endline-only) items correct (raw)
std_math_only_el
Endline Math Test - Non-Repeated items (SD)
math_prop_only_el
Proportion correct non-repeated items
math_prop_el
Endline Proportion Correct Items
math_bl_el
BL: Items that were repeated at endline, correct (raw)
std_math_bl_el
Baseline Math Test - Repeated items (SD)
math_prop_bl_el
BL proportion correct repeated items
math_algebra_el
EL: Algebra questions correct (raw)
math_numbers_el
EL: Numbers questions correct (raw)
math_geom_el
EL: Geometry questions correct (raw)
math_dataprob_el
EL: Data and probability questions correct (raw)
std_math_algebra_el
TIMMS - Algebra questions
std_math_numbers_el
TIMMS - Numbers questions
std_math_geom_el
TIMMS - Geometry questions
std_math_dataprob_el
TIMMS - Data and prob questions
math_know_bl
BL: TIMSS Knowing cognitive domain questions correct (raw)
math_apply_bl
BL: TIMSS Applying cognitive domain questions correct (raw)
math_reason_bl
BL: TIMSS Reasoning cognitive domain questions correct (raw)
std_math_know_bl
TIMMS - Knowing cognitive dimension
std_math_apply_bl
TIMMS - Applying cognitive dimension
std_math_reason_bl
TIMMS - Reasoning cognitive dimension
math_know_ml
ML: TIMSS Knowing cognitive domain questions correct (raw)
math_apply_ml
ML: TIMSS Applying cognitive domain questions correct (raw)
math_reason_ml
ML: TIMSS Reasoning cognitive domain questions correct (raw)
std_math_know_ml
TIMMS - Knowing cognitive dimension
std_math_apply_ml
TIMMS - Applying cognitive dimension
std_math_reason_ml
TIMMS - Reasoning cognitive dimension
math_know_el
EL: TIMSS Knowing cognitive domain questions correct (raw)
math_apply_el
EL: TIMSS Applying cognitive domain questions correct (raw)
math_reason_el
EL: TIMSS Reasoning cognitive domain questions correct (raw)
std_math_know_el
TIMMS - Knowing cognitive dimension
std_math_apply_el
TIMMS - Applying cognitive dimension
std_math_reason_el
TIMMS - Reasoning cognitive dimension
qste_math_selfbelief_std
EL: Math self-belief index (standardized)
acad_time_el
1 = above or equal to mean
work_time_el
1 = above or equal to mean
entertainment_time_el
1 = above or equal to mean
time_wakeup
EL: Time student wakes up (clock format)
time_sleep
EL: Time student goes to sleep (clock format)
time_hours_sleep_hrs
1 = above or equal to mean
acad_time_el_d
EL: =1 if academic time at or above section mean
work_time_el_d
EL: =1 if work time at or above section mean
entertainment_time_el_d
EL: =1 if entertainment time at or above section mean
time_hours_sleep_hrs_d
EL: =1 if hours of sleep at or above section mean
qste_2_12_1_d
1 = above or equal to mean
qste_2_12_2_d
1 = above or equal to mean
qste_2_12_3_d
1 = above or equal to mean
qste_2_12_4_d
1 = above or equal to mean
qste_2_12_5_d
1 = above or equal to mean
qste_2_12_6_d
1 = above or equal to mean
qste_2_12_7_d
1 = above or equal to mean
qste_2_12_8_d
1 = above or equal to mean
pair2_v2
Classroom pair identifier for RI including control classrooms
hrs_tutoring_el
Total hours of tutoring - after midline and before endline survey
hrs_tutoring_total
Total hours of tutoring
max_session_1
Max tutoring sessions offered in week 1
max_session_2
Max tutoring sessions offered in week 2
max_session_3
Max tutoring sessions offered in week 3
max_session_4
Max tutoring sessions offered in week 4
max_session_5
Max tutoring sessions offered in week 5
max_session_6
Max tutoring sessions offered in week 6
max_session_7
Max tutoring sessions offered in week 7
max_session_8
Max tutoring sessions offered in week 8
max_session_9
Max tutoring sessions offered in week 9
max_session_10
Max tutoring sessions offered in week 10
max_session_11
Max tutoring sessions offered in week 11
max_session_12
Max tutoring sessions offered in week 12
max_session_13
Max tutoring sessions offered in week 13
max_session_14
Max tutoring sessions offered in week 14
max_session_15
Max tutoring sessions offered in week 15
max_session_16
Max tutoring sessions offered in week 16
max_session_17
Max tutoring sessions offered in week 17
max_session_18
Max tutoring sessions offered in week 18
max_session_19
Max tutoring sessions offered in week 19
max_session_20
Max tutoring sessions offered in week 20
max_session_21
Max tutoring sessions offered in week 21
max_session_22
Max tutoring sessions offered in week 22
att_tutoring_w1
Tutoring attendance during week 1
att_tutoring_w2
Tutoring attendance during week 2
att_tutoring_w3
Tutoring attendance during week 3
att_tutoring_w4
Tutoring attendance during week 4
att_tutoring_w5
Tutoring attendance during week 5
att_tutoring_w6
Tutoring attendance during week 6
att_tutoring_w7
Tutoring attendance during week 7
att_tutoring_w8
Tutoring attendance during week 8
att_tutoring_w9
Tutoring attendance during week 9
att_tutoring_w10
Tutoring attendance during week 10
att_tutoring_w11
Tutoring attendance during week 11
att_tutoring_w12
Tutoring attendance during week 12
att_tutoring_w13
Tutoring attendance during week 13
att_tutoring_w14
Tutoring attendance during week 14
att_tutoring_w15
Tutoring attendance during week 15
att_tutoring_w16
Tutoring attendance during week 16
att_tutoring_w17
Tutoring attendance during week 17
att_tutoring_w18
Tutoring attendance during week 18
att_tutoring_w19
Tutoring attendance during week 19
att_tutoring_w20
Tutoring attendance during week 20
att_tutoring_w21
Tutoring attendance during week 21
att_tutoring_w22
Tutoring attendance during week 22
att_tutoring_ml
Total tutoring attendance - before midline survey
att_tutoring_el
Total tutoring attendance - after midline and before endline survey
att_tutoring_total
Total tutoring attendance
att_tutoring_w1_1
=1 if student attended at least 1 tutoring session in week 1
att_tutoring_w1_2
=1 if student attended at least 2 tutoring sessions in week 1
att_tutoring_w1_3
=1 if student attended all 3 tutoring sessions in week 1
att_tutoring_w2_1
=1 if student attended at least 1 tutoring session in week 2
att_tutoring_w2_2
=1 if student attended at least 2 tutoring sessions in week 2
att_tutoring_w2_3
=1 if student attended all 3 tutoring sessions in week 2
att_tutoring_w3_1
=1 if student attended at least 1 tutoring session in week 3
att_tutoring_w3_2
=1 if student attended at least 2 tutoring sessions in week 3
att_tutoring_w3_3
=1 if student attended all 3 tutoring sessions in week 3
att_tutoring_w4_1
=1 if student attended at least 1 tutoring session in week 4
att_tutoring_w4_2
=1 if student attended at least 2 tutoring sessions in week 4
att_tutoring_w4_3
=1 if student attended all 3 tutoring sessions in week 4
att_tutoring_w5_1
=1 if student attended at least 1 tutoring session in week 5
att_tutoring_w5_2
=1 if student attended at least 2 tutoring sessions in week 5
att_tutoring_w5_3
=1 if student attended all 3 tutoring sessions in week 5
att_tutoring_w6_1
=1 if student attended at least 1 tutoring session in week 6
att_tutoring_w6_2
=1 if student attended at least 2 tutoring sessions in week 6
att_tutoring_w6_3
=1 if student attended all 3 tutoring sessions in week 6
att_tutoring_w7_1
=1 if student attended at least 1 tutoring session in week 7
att_tutoring_w7_2
=1 if student attended at least 2 tutoring sessions in week 7
att_tutoring_w7_3
=1 if student attended all 3 tutoring sessions in week 7
att_tutoring_w8_1
=1 if student attended at least 1 tutoring session in week 8
att_tutoring_w8_2
=1 if student attended at least 2 tutoring sessions in week 8
att_tutoring_w8_3
=1 if student attended all 3 tutoring sessions in week 8
att_tutoring_w9_1
=1 if student attended at least 1 tutoring session in week 9
att_tutoring_w9_2
=1 if student attended at least 2 tutoring sessions in week 9
att_tutoring_w9_3
=1 if student attended all 3 tutoring sessions in week 9
att_tutoring_w10_1
=1 if student attended at least 1 tutoring session in week 10
att_tutoring_w10_2
=1 if student attended at least 2 tutoring sessions in week 10
att_tutoring_w10_3
=1 if student attended all 3 tutoring sessions in week 10
att_tutoring_w11_1
=1 if student attended at least 1 tutoring session in week 11
att_tutoring_w11_2
=1 if student attended at least 2 tutoring sessions in week 11
att_tutoring_w11_3
=1 if student attended all 3 tutoring sessions in week 11
att_tutoring_w12_1
=1 if student attended at least 1 tutoring session in week 12
att_tutoring_w12_2
=1 if student attended at least 2 tutoring sessions in week 12
att_tutoring_w12_3
=1 if student attended all 3 tutoring sessions in week 12
att_tutoring_w13_1
=1 if student attended at least 1 tutoring session in week 13
att_tutoring_w13_2
=1 if student attended at least 2 tutoring sessions in week 13
att_tutoring_w13_3
=1 if student attended all 3 tutoring sessions in week 13
att_tutoring_w14_1
=1 if student attended at least 1 tutoring session in week 14
att_tutoring_w14_2
=1 if student attended at least 2 tutoring sessions in week 14
att_tutoring_w14_3
=1 if student attended all 3 tutoring sessions in week 14
att_tutoring_w15_1
=1 if student attended at least 1 tutoring session in week 15
att_tutoring_w15_2
=1 if student attended at least 2 tutoring sessions in week 15
att_tutoring_w15_3
=1 if student attended all 3 tutoring sessions in week 15
att_tutoring_w16_1
=1 if student attended at least 1 tutoring session in week 16
att_tutoring_w16_2
=1 if student attended at least 2 tutoring sessions in week 16
att_tutoring_w16_3
=1 if student attended all 3 tutoring sessions in week 16
att_tutoring_w17_1
=1 if student attended at least 1 tutoring session in week 17
att_tutoring_w17_2
=1 if student attended at least 2 tutoring sessions in week 17
att_tutoring_w17_3
=1 if student attended all 3 tutoring sessions in week 17
att_tutoring_w18_1
=1 if student attended at least 1 tutoring session in week 18
att_tutoring_w18_2
=1 if student attended at least 2 tutoring sessions in week 18
att_tutoring_w18_3
=1 if student attended all 3 tutoring sessions in week 18
att_tutoring_w19_1
=1 if student attended at least 1 tutoring session in week 19
att_tutoring_w19_2
=1 if student attended at least 2 tutoring sessions in week 19
att_tutoring_w19_3
=1 if student attended all 3 tutoring sessions in week 19
att_tutoring_w20_1
=1 if student attended at least 1 tutoring session in week 20
att_tutoring_w20_2
=1 if student attended at least 2 tutoring sessions in week 20
att_tutoring_w20_3
=1 if student attended all 3 tutoring sessions in week 20
att_tutoring_w21_1
=1 if student attended at least 1 tutoring session in week 21
att_tutoring_w21_2
=1 if student attended at least 2 tutoring sessions in week 21
att_tutoring_w21_3
=1 if student attended all 3 tutoring sessions in week 21
att_tutoring_w22_1
=1 if student attended at least 1 tutoring session in week 22
att_tutoring_w22_2
=1 if student attended at least 2 tutoring sessions in week 22
att_tutoring_w22_3
=1 if student attended all 3 tutoring sessions in week 22
total_sessions_total
Total tutoring sessions offered over full program
total_sessions_ml
Total tutoring sessions offered before midline survey
total_sessions_el
Total tutoring sessions offered after midline survey
att_percent_total
Tutoring attendance rate over full program
Total: 3082
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