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AF-AHEAD-V1
African Harmonised Early-Grade Assessment Dataset
Africa
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Reference ID
af-ahead-v1
DOI
https://doi.org/10.25828/2287-mw84
Producer(s)
African Foundational Learning Data Hub
Collections
DataFirst - Harmonised Dataset Series
Metadata
Documentation in PDF
DDI/XML
JSON
Created on
Jul 02, 2026
Last modified
Jul 02, 2026
Page views
961
Downloads
3
Dataset Description
Data Description
Downloads
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Data files
ahead-v1
Data file: ahead-v1
Variables:
1884
Producer:
African Foundational Learning Data Hub
Variables
invent_word_47
Invented word: Item 47
invent_word_48
Invented word: Item 48
invent_word_49
Invented word: Item 49
invent_word_50
Invented word: Item 50
invent_word_score_zero
Invented word: Zero score indicator
invent_word_auto_stop
Invented word: Auto stop indicator
oral_read_1
Oral reading: Item 1
oral_read_2
Oral reading: Item 2
oral_read_3
Oral reading: Item 3
oral_read_4
Oral reading: Item 4
oral_read_5
Oral reading: Item 5
oral_read_6
Oral reading: Item 6
oral_read_7
Oral reading: Item 7
oral_read_8
Oral reading: Item 8
oral_read_9
Oral reading: Item 9
oral_read_10
Oral reading: Item 10
oral_read_11
Oral reading: Item 11
oral_read_12
Oral reading: Item 12
oral_read_13
Oral reading: Item 13
oral_read_14
Oral reading: Item 14
oral_read_15
Oral reading: Item 15
oral_read_16
Oral reading: Item 16
oral_read_17
Oral reading: Item 17
oral_read_18
Oral reading: Item 18
oral_read_19
Oral reading: Item 19
oral_read_20
Oral reading: Item 20
oral_read_21
Oral reading: Item 21
oral_read_22
Oral reading: Item 22
oral_read_23
Oral reading: Item 23
oral_read_24
Oral reading: Item 24
oral_read_25
Oral reading: Item 25
oral_read_26
Oral reading: Item 26
oral_read_27
Oral reading: Item 27
oral_read_28
Oral reading: Item 28
oral_read_29
Oral reading: Item 29
oral_read_30
Oral reading: Item 30
oral_read_31
Oral reading: Item 31
oral_read_32
Oral reading: Item 32
oral_read_33
Oral reading: Item 33
oral_read_34
Oral reading: Item 34
oral_read_35
Oral reading: Item 35
oral_read_36
Oral reading: Item 36
oral_read_37
Oral reading: Item 37
oral_read_38
Oral reading: Item 38
oral_read_39
Oral reading: Item 39
oral_read_40
Oral reading: Item 40
oral_read_41
Oral reading: Item 41
oral_read_42
Oral reading: Item 42
oral_read_43
Oral reading: Item 43
oral_read_44
Oral reading: Item 44
oral_read_45
Oral reading: Item 45
oral_read_46
Oral reading: Item 46
oral_read_47
Oral reading: Item 47
oral_read_score_zero
Oral reading: Zero score indicator
oral_read_auto_stop
Oral reading: Auto stop indicator
read_comp_1
Reading comprehension: Item 1
read_comp_2
Reading comprehension: Item 2
read_comp_3
Reading comprehension: Item 3
read_comp_4
Reading comprehension: Item 4
read_comp_5
Reading comprehension: Item 5
read_comp_score_zero
Reading comprehension: Zero score indicator
month
Month
grade
Grade of student
gender
Gender of student
consent
Consent
admin_div1
First administrative division
vocabA_1
Vocab A: Item 1
vocabA_2
Vocab A: Item 2
vocabA_3
Vocab A: Item 3
vocabA_4
Vocab A: Item 4
vocabA_5
Vocab A: Item 5
vocabA_6
Vocab A: Item 6
vocabA_7
Vocab A: Item 7
vocabA_8
Vocab A: Item 8
vocabB_1
Vocab B: Item 1
vocabB_2
Vocab B: Item 2
vocabB_3
Vocab B: Item 3
vocabB_4
Vocab B: Item 4
vocabB_5
Vocab B: Item 5
vocabB_6
Vocab B: Item 6
vocabC_1
Vocab C: Item 1
vocabC_2
Vocab C: Item 2
vocabC_3
Vocab C: Item 3
vocabC_4
Vocab C: Item 4
vocabC_5
Vocab C: Item 5
vocabC_6
Vocab C: Item 6
vocabC_7
Vocab C: Item 7
vocabC_8
Vocab C: Item 8
l2_vocabA_1
Vocab A (language 2): Item 1
l2_vocabA_2
Vocab A (language 2): Item 2
l2_vocabA_3
Vocab A (language 2): Item 3
l2_vocabA_4
Vocab A (language 2): Item 4
l2_vocabA_5
Vocab A (language 2): Item 5
l2_vocabA_6
Vocab A (language 2): Item 6
l2_vocabA_7
Vocab A (language 2): Item 7
l2_vocabA_8
Vocab A (language 2): Item 8
l2_vocabB_1
Vocab B (language 2): Item 1
l2_vocabB_2
Vocab B (language 2): Item 2
l2_vocabB_3
Vocab B (language 2): Item 3
l2_vocabB_4
Vocab B (language 2): Item 4
l2_vocabB_5
Vocab B (language 2): Item 5
l2_vocabB_6
Vocab B (language 2): Item 6
l2_vocabC_1
Vocab C (language 2): Item 1
l2_vocabC_2
Vocab C (language 2): Item 2
l2_vocabC_3
Vocab C (language 2): Item 3
l2_vocabC_4
Vocab C (language 2): Item 4
l2_vocabC_5
Vocab C (language 2): Item 5
l2_vocabC_6
Vocab C (language 2): Item 6
l2_vocabC_7
Vocab C (language 2): Item 7
l2_vocabC_8
Vocab C (language 2): Item 8
lang_home
Student home language
l2_vocabA_score_zero
Vocab A (language 2): Zero score indicator
l2_vocabC_score_zero
Vocab C (language 2): Zero score indicator
l2_vocabB_score_zero
Vocab B (language 2): Zero score indicator
vocabA_score_zero
Vocab A: Zero score indicator
vocabC_score_zero
Vocab C: Zero score indicator
vocabB_score_zero
Vocab B: Zero score indicator
lang_assessment
Language of assessment
oral_read_48
Oral reading: Item 48
oral_read_49
Oral reading: Item 49
num_id_1
Number identification: Item 1
num_id_2
Number identification: Item 2
num_id_3
Number identification: Item 3
num_id_4
Number identification: Item 4
num_id_5
Number identification: Item 5
num_id_6
Number identification: Item 6
num_id_7
Number identification: Item 7
num_id_8
Number identification: Item 8
num_id_9
Number identification: Item 9
num_id_10
Number identification: Item 10
num_id_11
Number identification: Item 11
num_id_12
Number identification: Item 12
num_id_13
Number identification: Item 13
num_id_14
Number identification: Item 14
num_id_15
Number identification: Item 15
num_id_16
Number identification: Item 16
num_id_17
Number identification: Item 17
num_id_18
Number identification: Item 18
num_id_19
Number identification: Item 19
num_id_20
Number identification: Item 20
num_id_score_zero
Number identification: Zero score indicator
num_id_auto_stop
Number identification: Auto stop indicator
quant_comp_1
Quantity discrimination: Item 1
quant_comp_2
Quantity discrimination: Item 2
quant_comp_3
Quantity discrimination: Item 3
quant_comp_4
Quantity discrimination: Item 4
quant_comp_5
Quantity discrimination: Item 5
quant_comp_6
Quantity discrimination: Item 6
quant_comp_7
Quantity discrimination: Item 7
quant_comp_8
Quantity discrimination: Item 8
quant_comp_9
Quantity discrimination: Item 9
quant_comp_10
Quantity discrimination: Item 10
quant_comp_score_zero
Quantity discrimination: Zero score indicator
miss_num_1
Missing numbers: Item 1
miss_num_2
Missing numbers: Item 2
miss_num_3
Missing numbers: Item 3
miss_num_4
Missing numbers: Item 4
miss_num_5
Missing numbers: Item 5
miss_num_6
Missing numbers: Item 6
miss_num_7
Missing numbers: Item 7
miss_num_8
Missing numbers: Item 8
miss_num_9
Missing numbers: Item 9
miss_num_10
Missing numbers: Item 10
miss_num_score_zero
Missing numbers: Zero score indicator
word_prob_1
Word problems: Item 1
word_prob_2
Word problems: Item 2
word_prob_3
Word problems: Item 3
word_prob_score_zero
Word problems: Zero score indicator
addlvl1_1
Addition: Item 1
addlvl1_2
Addition: Item 2
addlvl1_3
Addition: Item 3
addlvl1_4
Addition: Item 4
addlvl1_5
Addition: Item 5
addlvl1_6
Addition: Item 6
addlvl1_7
Addition: Item 7
addlvl1_8
Addition: Item 8
addlvl1_9
Addition: Item 9
addlvl1_10
Addition: Item 10
addlvl1_11
Addition: Item 11
addlvl1_12
Addition: Item 12
addlvl1_13
Addition: Item 13
addlvl1_14
Addition: Item 14
addlvl1_15
Addition: Item 15
addlvl1_16
Addition: Item 16
addlvl1_17
Addition: Item 17
addlvl1_18
Addition: Item 18
addlvl1_19
Addition: Item 19
addlvl1_20
Addition: Item 20
addlvl1_score_zero
Addition: Zero score indicator
addlvl1_auto_stop
Addition: Auto stop indicator
sublvl1_1
Subtraction: Item 1
sublvl1_2
Subtraction: Item 2
sublvl1_3
Subtraction: Item 3
sublvl1_4
Subtraction: Item 4
sublvl1_5
Subtraction: Item 5
sublvl1_6
Subtraction: Item 6
sublvl1_7
Subtraction: Item 7
sublvl1_8
Subtraction: Item 8
sublvl1_9
Subtraction: Item 9
sublvl1_10
Subtraction: Item 10
sublvl1_11
Subtraction: Item 11
sublvl1_12
Subtraction: Item 12
sublvl1_13
Subtraction: Item 13
sublvl1_14
Subtraction: Item 14
sublvl1_15
Subtraction: Item 15
sublvl1_16
Subtraction: Item 16
sublvl1_17
Subtraction: Item 17
sublvl1_18
Subtraction: Item 18
sublvl1_19
Subtraction: Item 19
sublvl1_20
Subtraction: Item 20
sublvl1_score_zero
Subtraction: Zero score indicator
sublvl1_auto_stop
Subtraction: Auto stop indicator
word_prob_method_1
Word problems: Method 1
word_prob_method_2
Word problems: Method 2
word_prob_method_3
Word problems: Method 3
word_prob_method_888
Word problems: Method No Response
strata1
First stage stratification grouping
country
Country
admin_div1_type
Administrative division 1
admin_div2_type
Administrative division 2
sample_design_stages
Number of stages in sample design
wt_final
final weight
lang2_assessment
Second language of assessment
location
Location - rural or urban
oral_read_51
Oral reading: Item 51
oral_read_52
Oral reading: Item 52
oral_read_53
Oral reading: Item 53
oral_read_54
Oral reading: Item 54
oral_read_55
Oral reading: Item 55
oral_read_56
Oral reading: Item 56
oral_read_57
Oral reading: Item 57
read_comp_6
Reading comprehension: Item 6
list_comp_1
Listening comprehension: Item 1
list_comp_2
Listening comprehension: Item 2
list_comp_3
Listening comprehension: Item 3
list_comp_4
Listening comprehension: Item 4
list_comp_5
Listening comprehension: Item 5
list_comp_6
Listening comprehension: Item 6
list_comp_7
Listening comprehension: Item 7
list_comp_score
Listening comprehension: Raw score
list_comp_score_pcnt
Listening comprehension: Percent correct
list_comp_score_zero
Listening comprehension: Zero score indicator
list_comp_attempted
Listening comprehension: Attempted
list_comp_attempted_pcnt
Listening comprehension: Percent correct of attempted
mazeA_time_remain
Maze A: Time remaining
mazeB_time_remain
Maze B: Time remaining
mazeA_auto_stop
Maze A: Auto stop indicator
mazeB_auto_stop
Maze B: Auto stop indicator
mazeA_lastword
Maze A: Last word
mazeB_lastword
Maze B: Last word
mazeA_1
Maze A: Item 1
mazeA_2
Maze A: Item 2
mazeA_3
Maze A: Item 3
mazeA_4
Maze A: Item 4
mazeA_5
Maze A: Item 5
mazeA_6
Maze A: Item 6
mazeA_7
Maze A: Item 7
mazeA_8
Maze A: Item 8
mazeA_9
Maze A: Item 9
mazeA_10
Maze A: Item 10
mazeA_11
Maze A: Item 11
mazeA_12
Maze A: Item 12
mazeA_13
Maze A: Item 13
mazeA_14
Maze A: Item 14
mazeA_15
Maze A: Item 15
mazeA_score
Maze A: Raw score
mazeA_score_pcnt
Maze A: Percent correct
mazeA_score_zero
Maze A: Zero score indicator
mazeA_attempted
Maze A: Attempted
mazeA_attempted_pcnt
Maze A: Percent correct of attempted
mazeB_1
Maze B: Item 1
mazeB_2
Maze B: Item 2
mazeB_3
Maze B: Item 3
mazeB_4
Maze B: Item 4
mazeB_5
Maze B: Item 5
mazeB_6
Maze B: Item 6
mazeB_7
Maze B: Item 7
mazeB_8
Maze B: Item 8
mazeB_9
Maze B: Item 9
mazeB_10
Maze B: Item 10
mazeB_11
Maze B: Item 11
mazeB_12
Maze B: Item 12
mazeB_13
Maze B: Item 13
mazeB_14
Maze B: Item 14
mazeB_score
Maze B: Raw score
mazeB_score_pcnt
Maze B: Percent correct
mazeB_score_zero
Maze B: Zero score indicator
mazeB_attempted
Maze B: Attempted
mazeB_attempted_pcnt
Maze B: Percent correct of attempted
oral_read_58
Oral reading: Item 58
letter_name_pm
Letter name: Correct items per minute
pa_df_fnl_snd_1
PA different final sound: Item 1
pa_df_fnl_snd_2
PA different final sound: Item 2
pa_df_fnl_snd_3
PA different final sound: Item 3
pa_df_fnl_snd_4
PA different final sound: Item 4
pa_df_fnl_snd_5
PA different final sound: Item 5
pa_df_fnl_snd_6
PA different final sound: Item 6
pa_df_fnl_snd_7
PA different final sound: Item 7
pa_df_fnl_snd_8
PA different final sound: Item 8
pa_df_fnl_snd_9
PA different final sound: Item 9
Total: 1884
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