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DFHS

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
63
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2

Data file: ahead-v1

Variables: 1884
Producer: African Foundational Learning Data Hub

Variables

source
Original Survey
letter_sound_pm
Letter sound: Correct items per minute
fam_word_pm
Familiar word: Correct items per minute
invent_word_pm
Invented word: Correct items per minute
oral_read_pm
Oral reading: Correct items per minute
letter_sound_score
Letter sound: Raw score
letter_sound_time_remain
Letter sound: Time remaining
letter_sound_score_pcnt
Letter sound: Percent correct
letter_sound_attempted
Letter sound: Attempted
letter_sound_attempted_pcnt
Letter sound: Percent correct of attempted
fam_word_score
Familiar word: Raw score
fam_word_time_remain
Familiar word: Time remaining
fam_word_score_pcnt
Familiar word: Percent correct
fam_word_attempted
Familiar word: Attempted
fam_word_attempted_pcnt
Familiar word: Percent correct of attempted
invent_word_score
Invented word: Raw score
invent_word_time_remain
Invented word: Time remaining
invent_word_score_pcnt
Invented word: Percent correct
invent_word_attempted
Invented word: Attempted
invent_word_attempted_pcnt
Invented word: Percent correct of attempted
oral_read_score
Oral reading: Raw score
oral_read_time_remain
Oral reading: Time remaining
oral_read_score_pcnt
Oral reading: Percent correct
oral_read_attempted
Oral reading: Attempted
oral_read_attempted_pcnt
Oral reading: Percent correct of attempted
read_comp_score
Reading comprehension: Raw score
read_comp_score_pcnt
Reading comprehension: Percent correct
read_comp_attempted
Reading comprehension: Attempted
read_comp_attempted_pcnt
Reading comprehension: Percent correct of attempted
year
Year
school_id
School ID
student_id
Student ID
age
Age of student
admin_div2
Second administrative division
l2_vocabA_score
Vocab A (language 2): Raw score
l2_vocabA_attempted
Vocab A (language 2): Attempted
l2_vocabA_score_pcnt
Vocab A (language 2): Percent correct
l2_vocabA_attempted_pcnt
Vocab A (language 2): Percent correct of attempted
l2_vocabC_score
Vocab C (language 2): Raw score
l2_vocabC_attempted
Vocab C (language 2): Attempted
l2_vocabC_score_pcnt
Vocab C (language 2): Percent correct
l2_vocabC_attempted_pcnt
Vocab C (language 2): Percent correct of attempted
l2_vocabB_score
Vocab B (language 2): Raw score
l2_vocabB_attempted
Vocab B (language 2): Attempted
l2_vocabB_score_pcnt
Vocab B (language 2): Percent correct
l2_vocabB_attempted_pcnt
Vocab B (language 2): Percent correct of attempted
vocabA_score
Vocab A: Raw score
vocabA_attempted
Vocab A: Attempted
vocabA_score_pcnt
Vocab A: Percent correct
vocabA_attempted_pcnt
Vocab A: Percent correct of attempted
vocabC_score
Vocab C: Raw score
vocabC_attempted
Vocab C: Attempted
vocabC_score_pcnt
Vocab C: Percent correct
vocabC_attempted_pcnt
Vocab C: Percent correct of attempted
vocabB_score
Vocab B: Raw score
vocabB_attempted
Vocab B: Attempted
vocabB_score_pcnt
Vocab B: Percent correct
vocabB_attempted_pcnt
Vocab B: Percent correct of attempted
oral_read_50
Oral reading: Item 50
addlvl1_pm
Addition: Correct items per minute
sublvl1_pm
Subtraction: Correct items per minute
num_id_pm
Number identification: Correct items per minute
num_id_score
Number identification: Raw score
num_id_time_remain
Number identification: Time remaining
num_id_score_pcnt
Number identification: Percent correct
num_id_attempted
Number identification: Attempted
num_id_attempted_pcnt
Number identification: Percent correct of attempted
quant_comp_score
Quantity discrimination: Raw score
quant_comp_score_pcnt
Quantity discrimination: Percent correct
quant_comp_attempted
Quantity discrimination: Attempted
quant_comp_attempted_pcnt
Quantity discrimination: Percent correct of attempted
miss_num_score
Missing numbers: Raw score
miss_num_score_pcnt
Missing numbers: Percent correct
miss_num_attempted
Missing numbers: Attempted
miss_num_attempted_pcnt
Missing numbers: Percent correct of attempted
word_prob_score
Word problems: Raw score
word_prob_score_pcnt
Word problems: Percent correct
word_prob_attempted
Word problems: Attempted
word_prob_attempted_pcnt
Word problems: Percent correct of attempted
addlvl1_score
Addition: Raw score
addlvl1_time_remain
Addition: Time remaining
addlvl1_score_pcnt
Addition: Percent correct
addlvl1_attempted
Addition: Attempted
addlvl1_attempted_pcnt
Addition: Percent correct of attempted
sublvl1_score
Subtraction: Raw score
sublvl1_time_remain
Subtraction: Time remaining
sublvl1_score_pcnt
Subtraction: Percent correct
sublvl1_attempted
Subtraction: Attempted
sublvl1_attempted_pcnt
Subtraction: Percent correct of attempted
stage1
First stage population sampling unit
fpc1
First stage finite population correction
wt1
First stage weight
strata2
Second stage stratificaiton grouping
stage2
Second stage population sampling unit
fpc2
Second stage finite population correction
wt2
Second stage weight
strata3
Third stage stratification grouping
stage3
Third stage population sampling unit
fpc3
Third stage finite population correction
wt3
Third stage weight
letter_sound_1
Letter sound: Item 1
letter_sound_2
Letter sound: Item 2
letter_sound_3
Letter sound: Item 3
letter_sound_4
Letter sound: Item 4
letter_sound_5
Letter sound: Item 5
letter_sound_6
Letter sound: Item 6
letter_sound_7
Letter sound: Item 7
letter_sound_8
Letter sound: Item 8
letter_sound_9
Letter sound: Item 9
letter_sound_10
Letter sound: Item 10
letter_sound_11
Letter sound: Item 11
letter_sound_12
Letter sound: Item 12
letter_sound_13
Letter sound: Item 13
letter_sound_14
Letter sound: Item 14
letter_sound_15
Letter sound: Item 15
letter_sound_16
Letter sound: Item 16
letter_sound_17
Letter sound: Item 17
letter_sound_18
Letter sound: Item 18
letter_sound_19
Letter sound: Item 19
letter_sound_20
Letter sound: Item 20
letter_sound_21
Letter sound: Item 21
letter_sound_22
Letter sound: Item 22
letter_sound_23
Letter sound: Item 23
letter_sound_24
Letter sound: Item 24
letter_sound_25
Letter sound: Item 25
letter_sound_26
Letter sound: Item 26
letter_sound_27
Letter sound: Item 27
letter_sound_28
Letter sound: Item 28
letter_sound_29
Letter sound: Item 29
letter_sound_30
Letter sound: Item 30
letter_sound_31
Letter sound: Item 31
letter_sound_32
Letter sound: Item 32
letter_sound_33
Letter sound: Item 33
letter_sound_34
Letter sound: Item 34
letter_sound_35
Letter sound: Item 35
letter_sound_36
Letter sound: Item 36
letter_sound_37
Letter sound: Item 37
letter_sound_38
Letter sound: Item 38
letter_sound_39
Letter sound: Item 39
letter_sound_40
Letter sound: Item 40
letter_sound_41
Letter sound: Item 41
letter_sound_42
Letter sound: Item 42
letter_sound_43
Letter sound: Item 43
letter_sound_44
Letter sound: Item 44
letter_sound_45
Letter sound: Item 45
letter_sound_46
Letter sound: Item 46
letter_sound_47
Letter sound: Item 47
letter_sound_48
Letter sound: Item 48
letter_sound_49
Letter sound: Item 49
letter_sound_50
Letter sound: Item 50
letter_sound_51
Letter sound: Item 51
letter_sound_52
Letter sound: Item 52
letter_sound_53
Letter sound: Item 53
letter_sound_54
Letter sound: Item 54
letter_sound_55
Letter sound: Item 55
letter_sound_56
Letter sound: Item 56
letter_sound_57
Letter sound: Item 57
letter_sound_58
Letter sound: Item 58
letter_sound_59
Letter sound: Item 59
letter_sound_60
Letter sound: Item 60
letter_sound_61
Letter sound: Item 61
letter_sound_62
Letter sound: Item 62
letter_sound_63
Letter sound: Item 63
letter_sound_64
Letter sound: Item 64
letter_sound_65
Letter sound: Item 65
letter_sound_66
Letter sound: Item 66
letter_sound_67
Letter sound: Item 67
letter_sound_68
Letter sound: Item 68
letter_sound_69
Letter sound: Item 69
letter_sound_70
Letter sound: Item 70
letter_sound_71
Letter sound: Item 71
letter_sound_72
Letter sound: Item 72
letter_sound_73
Letter sound: Item 73
letter_sound_74
Letter sound: Item 74
letter_sound_75
Letter sound: Item 75
letter_sound_76
Letter sound: Item 76
letter_sound_77
Letter sound: Item 77
letter_sound_78
Letter sound: Item 78
letter_sound_79
Letter sound: Item 79
letter_sound_80
Letter sound: Item 80
letter_sound_81
Letter sound: Item 81
letter_sound_82
Letter sound: Item 82
letter_sound_83
Letter sound: Item 83
letter_sound_84
Letter sound: Item 84
letter_sound_85
Letter sound: Item 85
letter_sound_86
Letter sound: Item 86
letter_sound_87
Letter sound: Item 87
letter_sound_88
Letter sound: Item 88
letter_sound_89
Letter sound: Item 89
letter_sound_90
Letter sound: Item 90
letter_sound_91
Letter sound: Item 91
letter_sound_92
Letter sound: Item 92
letter_sound_93
Letter sound: Item 93
letter_sound_94
Letter sound: Item 94
letter_sound_95
Letter sound: Item 95
letter_sound_96
Letter sound: Item 96
letter_sound_97
Letter sound: Item 97
letter_sound_98
Letter sound: Item 98
letter_sound_99
Letter sound: Item 99
letter_sound_100
Letter sound: Item 100
letter_sound_score_zero
Letter sound: Zero score indicator
letter_sound_auto_stop
Letter sound: Auto stop indicator
fam_word_1
Familiar word: Item 1
fam_word_2
Familiar word: Item 2
fam_word_3
Familiar word: Item 3
fam_word_4
Familiar word: Item 4
fam_word_5
Familiar word: Item 5
fam_word_6
Familiar word: Item 6
fam_word_7
Familiar word: Item 7
fam_word_8
Familiar word: Item 8
fam_word_9
Familiar word: Item 9
fam_word_10
Familiar word: Item 10
fam_word_11
Familiar word: Item 11
fam_word_12
Familiar word: Item 12
fam_word_13
Familiar word: Item 13
fam_word_14
Familiar word: Item 14
fam_word_15
Familiar word: Item 15
fam_word_16
Familiar word: Item 16
fam_word_17
Familiar word: Item 17
fam_word_18
Familiar word: Item 18
fam_word_19
Familiar word: Item 19
fam_word_20
Familiar word: Item 20
fam_word_21
Familiar word: Item 21
fam_word_22
Familiar word: Item 22
fam_word_23
Familiar word: Item 23
fam_word_24
Familiar word: Item 24
fam_word_25
Familiar word: Item 25
fam_word_26
Familiar word: Item 26
fam_word_27
Familiar word: Item 27
fam_word_28
Familiar word: Item 28
fam_word_29
Familiar word: Item 29
fam_word_30
Familiar word: Item 30
fam_word_31
Familiar word: Item 31
fam_word_32
Familiar word: Item 32
fam_word_33
Familiar word: Item 33
fam_word_34
Familiar word: Item 34
fam_word_35
Familiar word: Item 35
fam_word_36
Familiar word: Item 36
fam_word_37
Familiar word: Item 37
fam_word_38
Familiar word: Item 38
fam_word_39
Familiar word: Item 39
fam_word_40
Familiar word: Item 40
fam_word_41
Familiar word: Item 41
fam_word_42
Familiar word: Item 42
fam_word_43
Familiar word: Item 43
fam_word_44
Familiar word: Item 44
fam_word_45
Familiar word: Item 45
fam_word_46
Familiar word: Item 46
fam_word_47
Familiar word: Item 47
fam_word_48
Familiar word: Item 48
fam_word_49
Familiar word: Item 49
fam_word_50
Familiar word: Item 50
fam_word_score_zero
Familiar word: Zero score indicator
fam_word_auto_stop
Familiar word: Auto stop indicator
invent_word_1
Invented word: Item 1
invent_word_2
Invented word: Item 2
invent_word_3
Invented word: Item 3
invent_word_4
Invented word: Item 4
invent_word_5
Invented word: Item 5
invent_word_6
Invented word: Item 6
invent_word_7
Invented word: Item 7
invent_word_8
Invented word: Item 8
invent_word_9
Invented word: Item 9
invent_word_10
Invented word: Item 10
invent_word_11
Invented word: Item 11
invent_word_12
Invented word: Item 12
invent_word_13
Invented word: Item 13
invent_word_14
Invented word: Item 14
invent_word_15
Invented word: Item 15
invent_word_16
Invented word: Item 16
invent_word_17
Invented word: Item 17
invent_word_18
Invented word: Item 18
invent_word_19
Invented word: Item 19
invent_word_20
Invented word: Item 20
invent_word_21
Invented word: Item 21
invent_word_22
Invented word: Item 22
invent_word_23
Invented word: Item 23
invent_word_24
Invented word: Item 24
invent_word_25
Invented word: Item 25
invent_word_26
Invented word: Item 26
invent_word_27
Invented word: Item 27
invent_word_28
Invented word: Item 28
invent_word_29
Invented word: Item 29
invent_word_30
Invented word: Item 30
invent_word_31
Invented word: Item 31
invent_word_32
Invented word: Item 32
invent_word_33
Invented word: Item 33
invent_word_34
Invented word: Item 34
invent_word_35
Invented word: Item 35
invent_word_36
Invented word: Item 36
invent_word_37
Invented word: Item 37
invent_word_38
Invented word: Item 38
invent_word_39
Invented word: Item 39
invent_word_40
Invented word: Item 40
invent_word_41
Invented word: Item 41
invent_word_42
Invented word: Item 42
invent_word_43
Invented word: Item 43
invent_word_44
Invented word: Item 44
invent_word_45
Invented word: Item 45
invent_word_46
Invented word: Item 46
Total: 1884
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