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African Harmonised Early-Grade Assessment Data

Africa
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Reference ID
ahead-v1
DOI
https://doi.org/10.25828/2287-mw84
Producer(s)
African Foundational Learning Data Hub
Metadata
Documentation in PDF DDI/XML JSON
Created on
Jul 31, 2026
Last modified
Jul 31, 2026
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3138

Data file: ahead-v1_1

Variables: 2110

Variables

pa_di_sound_score_pcnt
PA different sound: Percent correct
pa_di_sound_score_zero
PA different sound: Zero score indicator
pa_di_sound_attempted_pcnt
PA different sound: Percent correct of attempted
silly_sentence_1
Silly sentence: Item 1
silly_sentence_2
Silly sentence: Item 2
silly_sentence_3
Silly sentence: Item 3
silly_sentence_4
Silly sentence: Item 4
silly_sentence_5
Silly sentence: Item 5
silly_sentence_6
Silly sentence: Item 6
silly_sentence_7
Silly sentence: Item 7
silly_sentence_8
Silly sentence: Item 8
silly_sentence_9
Silly sentence: Item 9
silly_sentence_10
Silly sentence: Item 10
silly_sentence_11
Silly sentence: Item 11
silly_sentence_12
Silly sentence: Item 12
silly_sentence_13
Silly sentence: Item 13
silly_sentence_14
Silly sentence: Item 14
silly_sentence_15
Silly sentence: Item 15
silly_sentence_16
Silly sentence: Item 16
silly_sentence_17
Silly sentence: Item 17
silly_sentence_18
Silly sentence: Item 18
silly_sentence_19
Silly sentence: Item 19
silly_sentence_20
Silly sentence: Item 20
silly_sentence_attempted
Silly sentence: Attempted
silly_sentence_score
Silly sentence: Raw score
silly_sentence_score_pcnt
Silly sentence: Percent correct
silly_sentence_score_zero
Silly sentence: Zero score indicator
silly_sentence_attempted_pcnt
Silly sentence: Percent correct of attempted
oral_read_69
Oral reading: Item 69
oral_read_70
Oral reading: Item 70
oral_read_71
Oral reading: Item 71
miss_num_pm
Missing numbers: Correct items per minute
read_comp_time_remain
Reading comprehension: Time remaining
quant_comp_11
Quantity discrimination: Item 11
quant_comp_12
Quantity discrimination: Item 12
quant_comp_13
Quantity discrimination: Item 13
quant_comp_14
Quantity discrimination: Item 14
quant_comp_15
Quantity discrimination: Item 15
quant_comp_16
Quantity discrimination: Item 16
quant_comp_17
Quantity discrimination: Item 17
quant_comp_18
Quantity discrimination: Item 18
quant_comp_19
Quantity discrimination: Item 19
quant_comp_20
Quantity discrimination: Item 20
miss_num_11
Missing numbers: Item 11
miss_num_12
Missing numbers: Item 12
miss_num_13
Missing numbers: Item 13
miss_num_14
Missing numbers: Item 14
miss_num_15
Missing numbers: Item 15
miss_num_16
Missing numbers: Item 16
miss_num_17
Missing numbers: Item 17
miss_num_18
Missing numbers: Item 18
miss_num_19
Missing numbers: Item 19
miss_num_time_remain
Missing numbers: Time remaining
lang_home_type
Home language instrument: single (1) vs multi (2) mention
lang_home_1
Home language 1
lang_home_2
Home language 2
lang_home_3
Home language 3
lang_home_4
Home language 4
lang_home_5
Home language 5
lang_home_6
Home language 6
lang_instruction_type
Language of instruction instrument: single (1) vs multi (2) mention
lang_instruction_1
Language of instruction 1
lang_instruction_2
Language of instruction 2
lang_instruction_3
Language of instruction 3
id_cohort
ID Cohort
cluster
Cluster
strata
Education district ID
cohort
Data collection cohort
treatment
Treatment indicator
age_dob
Age in years from date of birth
print_orientation_score
Print Orientation - Raw Score
print_orientation_score_pcnt
Print Orientation - Percent Correct
print_orientation_score_zero
Print Orientation - Zero Score Indicator
phoneme_combined_score
Phonemic Awareness - Raw Score
phoneme_combined_score_pcnt
Phonemic Awareness - Percent Correct
phoneme_combined_score_zero
Phonemic Awareness - Zero Score Indicator
vocab_score
Vocabulary - Raw Score
vocab_score_pcnt
Vocabulary - Percent Correct
vocab_score_zero
Vocabulary - Zero Score Indicator
l2_phoneme_combined_score
English Phonemic Awareness - Raw Score
l2_phoneme_combined_score_pcnt
English Phonemic Awareness - Percent Correct
l2_phoneme_combined_score_zero
English Phonemic Awareness - Zero Score Indicator
l2_vocab_score
English Vocabulary - Raw Score
l2_vocab_score_pcnt
English Vocabulary - Percent Correct
l2_vocab_score_zero
English Vocabulary - Zero Score Indicator
randomization_level
Randomization unit ID
wave_status
Panel follow-up status
letter_sound_101
Letter 101
letter_sound_102
Letter 102
letter_sound_103
Letter 103
letter_sound_104
Letter 104
letter_sound_105
Letter 105
letter_sound_106
Letter 106
letter_sound_107
Letter 107
letter_sound_108
Letter 108
letter_sound_109
Letter 109
letter_sound_110
Letter 110
fam_word_51
Word 51
fam_word_52
Word 52
fam_word_53
Word 53
fam_word_54
Word 54
fam_word_55
Word 55
oral_read_72
Oral reading: Item 72
oral_read_73
Oral reading: Item 73
oral_read_74
Oral reading: Item 74
oral_read_75
Oral reading: Item 75
oral_read_76
Oral reading: Item 76
oral_read_77
Oral reading: Item 77
oral_read_78
Oral reading: Item 78
oral_read_79
Oral reading: Item 79
oral_read_80
Oral reading: Item 80
oral_read_81
Oral reading: Item 81
oral_read_82
Oral reading: Item 82
read_comp_7
Reading comprehension: Item 7
read_comp_8
Comprehension Question 8
read_comp_9
Comprehension Question 9
read_comp_10
Comprehension Question 10
we_comp_1
Written Comprehension Question 1
we_comp_2
Written Comprehension Question 2
we_comp_3
Written Comprehension Question 3
we_comp_4
Written Comprehension Question 4
we_comp_5
Written Comprehension Question 5
we_comp_6
Written Comprehension Question 6
we_comp_7
Written Comprehension Question 7
written_comp_score
Written comprehension - Raw Score
written_comp_score_pcnt
Written comprehension - Percent Correct
written_comp_score_zero
Written comprehension - Zero Score Indicator
receptive_listen_1
Receptive Listening Comprehension Question 1
receptive_listen_2
Receptive Listening Comprehension Question 2
receptive_listen_3
Receptive Listening Comprehension Question 3
receptive_listen_4
Receptive Listening Comprehension Question 4
receptive_listen_5
Receptive Listening Comprehension Question 5
receptive_listen_score
Receptive Listening Comprehension - Raw Score
receptive_listen_score_pcnt
Receptive Listening Comprehension - Percent Correct
receptive_listen_score_zero
Receptive Listening Comprehension - Zero Score Indicator
list_comp_8
Productive Listening Comprehension Question 8
list_comp_9
Productive Listening Comprehension Question 9
list_comp_10
Productive Listening Comprehension Question 10
phoneme_combined_1
Phonemic Awareness - Question 1
phoneme_combined_2
Phonemic Awareness - Question 2
phoneme_combined_3
Phonemic Awareness - Question 3
phoneme_combined_4
Phonemic Awareness - Question 4
phoneme_combined_5
Phonemic Awareness - Question 5
phoneme_combined_6
Phonemic Awareness - Question 6
phoneme_combined_7
Phonemic Awareness - Question 7
phoneme_combined_8
Phonemic Awareness - Question 8
phoneme_combined_attempted
Phonemic Awareness - Total Items Attempted
l2_letter_sound_101
Letter 101 English
l2_letter_sound_102
Letter 102 English
l2_letter_sound_103
Letter 103 English
l2_letter_sound_104
Letter 104 English
l2_letter_sound_105
Letter 105 English
l2_letter_sound_106
Letter 106 English
l2_letter_sound_107
Letter 107 English
l2_letter_sound_108
Letter 108 English
l2_letter_sound_109
Letter 109 English
l2_letter_sound_110
Letter 110 English
l2_fam_word_51
Word 51 English
l2_fam_word_52
Word 52 English
l2_fam_word_53
Word 53 English
l2_fam_word_54
Word 54 English
l2_fam_word_55
Word 55 English
l2_fam_word_56
Word 56 English
l2_fam_word_57
Word 57 English
l2_fam_word_58
Word 58 English
l2_fam_word_59
Word 59 English
l2_fam_word_60
Word 60 English
l2_fam_word_61
Word 61 English
l2_fam_word_62
Word 62 English
l2_fam_word_63
Word 63 English
l2_fam_word_64
Word 64 English
l2_fam_word_65
Word 65 English
l2_fam_word_66
Word 66 English
l2_fam_word_67
Word 67 English
l2_fam_word_68
Word 68 English
l2_fam_word_69
Word 69 English
l2_fam_word_70
Word 70 English
l2_fam_word_71
Word 71 English
l2_fam_word_72
Word 72 English
l2_fam_word_73
Word 73 English
l2_fam_word_74
Word 74 English
l2_fam_word_75
Word 75 English
l2_fam_word_76
Word 76 English
l2_fam_word_77
Word 77 English
l2_fam_word_78
Word 78 English
l2_fam_word_79
Word 79 English
l2_fam_word_80
Word 80 English
l2_fam_word_81
Word 81 English
l2_fam_word_82
Word 82 English
l2_fam_word_83
Word 83 English
l2_fam_word_84
Word 84 English
l2_fam_word_85
Word 85 English
l2_fam_word_86
Word 86 English
l2_fam_word_87
Word 87 English
l2_fam_word_88
Word 88 English
l2_fam_word_89
Word 89 English
l2_fam_word_90
Word 90 English
l2_fam_word_91
Word 91 English
l2_fam_word_92
Word 92 English
l2_fam_word_93
Word 93 English
l2_fam_word_94
Word 94 English
l2_fam_word_95
Word 95 English
l2_fam_word_96
Word 96 English
l2_oral_read_71
Read 71 English
l2_oral_read_72
Read 72 English
l2_oral_read_73
Read 73 English
l2_oral_read_74
Read 74 English
l2_oral_read_75
Read 75 English
l2_oral_read_76
Read 76 English
l2_oral_read_77
Read 77 English
l2_oral_read_78
Read 78 English
l2_oral_read_79
Read 79 English
l2_oral_read_80
Read 80 English
l2_oral_read_81
Read 81 English
l2_oral_read_82
Read 82 English
l2_oral_read_83
Read 83 English
l2_oral_read_84
Read 84 English
l2_oral_read_85
Read 85 English
l2_oral_read_86
Read 86 English
l2_oral_read_87
Read 87 English
l2_oral_read_88
Read 88 English
l2_oral_read_89
Read 89 English
l2_oral_read_90
Read 90 English
l2_oral_read_91
Read 91 English
l2_oral_read_92
Read 92 English
l2_oral_read_93
Read 93 English
l2_oral_read_94
Read 94 English
l2_oral_read_95
Read 95 English
l2_oral_read_96
Read 96 English
l2_oral_read_97
Read 97 English
l2_oral_read_98
Read 98 English
l2_oral_read_99
Read 99 English
l2_oral_read_100
Read 100 English
l2_oral_read_101
Read 101 English
l2_oral_read_102
Read 102 English
l2_oral_read_103
Read 103 English
l2_read_comp_7
English Comprehension Question 7
l2_read_comp_8
English Comprehension Question 8
l2_read_comp_9
English Comprehension Question 9
l2_read_comp_10
English Comprehension Question 10
l2_written_comp_1
English Written Comprehension Question 1
l2_written_comp_2
English Written Comprehension Question 2
l2_written_comp_3
English Written Comprehension Question 3
l2_written_comp_4
English Written Comprehension Question 4
l2_written_comp_5_1
English Written Comprehension Question 5_1
l2_written_comp_5_2
English Written Comprehension Question 5_2
l2_written_comp_6
English Written Comprehension Question 6
l2_written_comp_7
English Written Comprehension Question 7
l2_written_comp_8
English Written Comprehension Question 8
l2_written_comp_9
English Written Comprehension Question 9
l2_written_comp_10
English Written Comprehension Question 10
l2_written_comp_11
English Written Comprehension Question 11
l2_written_comp_12
English Written Comprehension Question 12
l2_written_comp_score
English Written comprehension - Raw Score
l2_written_comp_score_pcnt
English Written comprehension - Percent Correct
l2_written_comp_score_zero
English Written comprehension - Zero Score Indicator
l2_receptive_listen_1
English Receptive Listening Comprehension Question 1
l2_receptive_listen_2
English Receptive Listening Comprehension Question 2
l2_receptive_listen_3
English Receptive Listening Comprehension Question 3
l2_receptive_listen_4
English Receptive Listening Comprehension Question 4
l2_receptive_listen_5
English Receptive Listening Comprehension Question 5
l2_receptive_listen_score
English Receptive Listening Comprehension - Raw Score
l2_receptive_listen_score_pcnt
English Receptive Listening Comprehension - Percent Correct
l2_receptive_listen_score_zero
English Receptive Listening Comprehension - Zero Score Indicator
l2_list_comp_6
English Productive Listening Comprehension Question 6
l2_phoneme_combined_1
English Phonemic Awareness - Question 1
l2_phoneme_combined_2
English Phonemic Awareness - Question 2
l2_phoneme_combined_3
English Phonemic Awareness - Question 3
l2_phoneme_combined_4
English Phonemic Awareness - Question 4
l2_phoneme_combined_5
English Phonemic Awareness - Question 5
l2_phoneme_combined_6
English Phonemic Awareness - Question 6
l2_phoneme_combined_7
English Phonemic Awareness - Question 7
l2_phoneme_combined_8
English Phonemic Awareness - Question 8
l2_phoneme_combined_attempted
English Phonemic Awareness - Total Items Attempted
vocab_1
Vocabulary 1
vocab_2
Vocabulary 2
vocab_3
Vocabulary 3
vocab_4
Vocabulary 4
vocab_5
Vocabulary 5
vocab_6
Vocabulary 6
vocab_7
Vocabulary 7
vocab_8
Vocabulary 8
vocab_9
Vocabulary 9
creative_writing_attempt
Creative Writing - Attempted
creative_writing_meaning
Meaning making
creative_writing_spelling
Spelling
creative_writing_organisation
Organisation / Length
creative_writing_vocabulary
Vocabulary and language use
creative_writing_score
Creative Writing - Raw Score
creative_writing_score_zero
Creative Writing - Zero Score Indicator
creative_writing_score_pcnt
Creative Writing - Percent Correct
l2_vocab_1
English Vocabulary 1
l2_vocab_2
English Vocabulary 2
l2_vocab_3
English Vocabulary 3
l2_vocab_4
English Vocabulary 4
l2_vocab_5
English Vocabulary 5
l2_vocab_6
English Vocabulary 6
l2_vocab_7
English Vocabulary 7
l2_vocab_8
English Vocabulary 8
l2_vocab_9
English Vocabulary 9
Total: 2110
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