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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
766
Downloads
3

Data file: ahead-v1

Variables: 1884
Producer: African Foundational Learning Data Hub

Variables

pa_df_fnl_snd_10
PA different final sound: Item 10
pa_df_fnl_snd_score
PA different final sound: Raw score
pa_df_fnl_snd_score_pcnt
PA different final sound: Percent correct
pa_df_fnl_snd_score_zero
PA different final sound: Zero score indicator
pa_df_fnl_snd_auto_stop
PA different final sound: Auto stop indicator
pa_df_fnl_snd_attempted
PA different final sound: Attempted
pa_df_fnl_snd_attempted_pcnt
PA different final sound: Percent correct of attempted
pa_num_sound_1
PA number of sounds: Item 1
pa_num_sound_2
PA number of sounds: Item 2
pa_num_sound_3
PA number of sounds: Item 3
pa_num_sound_4
PA number of sounds: Item 4
pa_num_sound_5
PA number of sounds: Item 5
pa_num_sound_6
PA number of sounds: Item 6
pa_num_sound_7
PA number of sounds: Item 7
pa_num_sound_8
PA number of sounds: Item 8
pa_num_sound_9
PA number of sounds: Item 9
pa_num_sound_10
PA number of sounds: Item 10
pa_num_sound_score
PA number of sounds: Raw score
pa_num_sound_score_pcnt
PA number of sounds: Percent correct
pa_num_sound_score_zero
PA number of sounds: Zero score indicator
pa_num_sound_auto_stop
PA number of sounds: Auto stop indicator
pa_num_sound_attempted
PA number of sounds: Attempted
pa_num_sound_attempted_pcnt
PA number of sounds: Percent correct of attempted
pa_df_init_snd_1
PA different initial sound: Item 1
pa_df_init_snd_2
PA different initial sound: Item 2
pa_df_init_snd_3
PA different initial sound: Item 3
pa_df_init_snd_4
PA different initial sound: Item 4
pa_df_init_snd_5
PA different initial sound: Item 5
pa_df_init_snd_6
PA different initial sound: Item 6
pa_df_init_snd_7
PA different initial sound: Item 7
pa_df_init_snd_8
PA different initial sound: Item 8
pa_df_init_snd_9
PA different initial sound: Item 9
pa_df_init_snd_10
PA different initial sound: Item 10
pa_df_init_snd_score
PA different initial sound: Raw score
pa_df_init_snd_score_pcnt
PA different initial sound: Percent correct
pa_df_init_snd_score_zero
PA different initial sound: Zero score indicator
pa_df_init_snd_auto_stop
PA different initial sound: Auto stop indicator
pa_df_init_snd_attempted
PA different initial sound: Attempted
pa_df_init_snd_attempted_pcnt
PA different initial sound: Percent correct of attempted
letter_name_1
Letter name: Item 1
letter_name_2
Letter name: Item 2
letter_name_3
Letter name: Item 3
letter_name_4
Letter name: Item 4
letter_name_5
Letter name: Item 5
letter_name_6
Letter name: Item 6
letter_name_7
Letter name: Item 7
letter_name_8
Letter name: Item 8
letter_name_9
Letter name: Item 9
letter_name_10
Letter name: Item 10
letter_name_11
Letter name: Item 11
letter_name_12
Letter name: Item 12
letter_name_13
Letter name: Item 13
letter_name_14
Letter name: Item 14
letter_name_15
Letter name: Item 15
letter_name_16
Letter name: Item 16
letter_name_17
Letter name: Item 17
letter_name_18
Letter name: Item 18
letter_name_19
Letter name: Item 19
letter_name_20
Letter name: Item 20
letter_name_21
Letter name: Item 21
letter_name_22
Letter name: Item 22
letter_name_23
Letter name: Item 23
letter_name_24
Letter name: Item 24
letter_name_25
Letter name: Item 25
letter_name_26
Letter name: Item 26
letter_name_27
Letter name: Item 27
letter_name_28
Letter name: Item 28
letter_name_29
Letter name: Item 29
letter_name_30
Letter name: Item 30
letter_name_31
Letter name: Item 31
letter_name_32
Letter name: Item 32
letter_name_33
Letter name: Item 33
letter_name_34
Letter name: Item 34
letter_name_35
Letter name: Item 35
letter_name_36
Letter name: Item 36
letter_name_37
Letter name: Item 37
letter_name_38
Letter name: Item 38
letter_name_39
Letter name: Item 39
letter_name_40
Letter name: Item 40
letter_name_41
Letter name: Item 41
letter_name_42
Letter name: Item 42
letter_name_43
Letter name: Item 43
letter_name_44
Letter name: Item 44
letter_name_45
Letter name: Item 45
letter_name_46
Letter name: Item 46
letter_name_47
Letter name: Item 47
letter_name_48
Letter name: Item 48
letter_name_49
Letter name: Item 49
letter_name_50
Letter name: Item 50
letter_name_51
Letter name: Item 51
letter_name_52
Letter name: Item 52
letter_name_53
Letter name: Item 53
letter_name_54
Letter name: Item 54
letter_name_55
Letter name: Item 55
letter_name_56
Letter name: Item 56
letter_name_57
Letter name: Item 57
letter_name_58
Letter name: Item 58
letter_name_59
Letter name: Item 59
letter_name_60
Letter name: Item 60
letter_name_61
Letter name: Item 61
letter_name_62
Letter name: Item 62
letter_name_63
Letter name: Item 63
letter_name_64
Letter name: Item 64
letter_name_65
Letter name: Item 65
letter_name_66
Letter name: Item 66
letter_name_67
Letter name: Item 67
letter_name_68
Letter name: Item 68
letter_name_69
Letter name: Item 69
letter_name_70
Letter name: Item 70
letter_name_71
Letter name: Item 71
letter_name_72
Letter name: Item 72
letter_name_73
Letter name: Item 73
letter_name_74
Letter name: Item 74
letter_name_75
Letter name: Item 75
letter_name_76
Letter name: Item 76
letter_name_77
Letter name: Item 77
letter_name_78
Letter name: Item 78
letter_name_79
Letter name: Item 79
letter_name_80
Letter name: Item 80
letter_name_81
Letter name: Item 81
letter_name_82
Letter name: Item 82
letter_name_83
Letter name: Item 83
letter_name_84
Letter name: Item 84
letter_name_85
Letter name: Item 85
letter_name_86
Letter name: Item 86
letter_name_87
Letter name: Item 87
letter_name_88
Letter name: Item 88
letter_name_89
Letter name: Item 89
letter_name_90
Letter name: Item 90
letter_name_91
Letter name: Item 91
letter_name_92
Letter name: Item 92
letter_name_93
Letter name: Item 93
letter_name_94
Letter name: Item 94
letter_name_95
Letter name: Item 95
letter_name_96
Letter name: Item 96
letter_name_97
Letter name: Item 97
letter_name_98
Letter name: Item 98
letter_name_99
Letter name: Item 99
letter_name_100
Letter name: Item 100
letter_name_score
Letter name: Raw score
letter_name_time_remain
Letter name: Time remaining
letter_name_score_pcnt
Letter name: Percent correct
letter_name_score_zero
Letter name: Zero score indicator
letter_name_auto_stop
Letter name: Auto stop indicator
letter_name_attempted
Letter name: Attempted
letter_name_attempted_pcnt
Letter name: Percent correct of attempted
oral_read_59
Oral reading: Item 59
oral_read_60
Oral reading: Item 60
oral_read_61
Oral reading: Item 61
oral_read_62
Oral reading: Item 62
oral_read_63
Oral reading: Item 63
oral_read_64
Oral reading: Item 64
oral_read_65
Oral reading: Item 65
lang_instruction
Language of instruction
l2_letter_sound_pm
Letter sound (language 2): Correct items per minute
l2_invent_word_pm
Invented word (language 2): Correct items per minute
l2_oral_read_pm
Oral reading (language 2): Correct items per minute
l2_oral_vocab_1
Oral vocab (language 2): Item 1
l2_oral_vocab_2
Oral vocab (language 2): Item 2
l2_oral_vocab_3
Oral vocab (language 2): Item 3
l2_oral_vocab_4
Oral vocab (language 2): Item 4
l2_oral_vocab_5
Oral vocab (language 2): Item 5
l2_oral_vocab_6
Oral vocab (language 2): Item 6
l2_oral_vocab_7
Oral vocab (language 2): Item 7
l2_oral_vocab_8
Oral vocab (language 2): Item 8
l2_oral_vocab_score
Oral vocab (language 2): Raw score
l2_oral_vocab_score_pcnt
Oral vocab (language 2): Percent correct
l2_oral_vocab_attempted
Oral vocab (language 2): Attempted
l2_oral_vocab_attempted_pcnt
Oral vocab (language 2): Percent correct of attempted
l2_oral_vocab_score_zero
Oral vocab (language 2): Zero score indicator
l2_letter_sound_1
Letter sound (language 2): Item 1
l2_letter_sound_2
Letter sound (language 2): Item 2
l2_letter_sound_3
Letter sound (language 2): Item 3
l2_letter_sound_4
Letter sound (language 2): Item 4
l2_letter_sound_5
Letter sound (language 2): Item 5
l2_letter_sound_6
Letter sound (language 2): Item 6
l2_letter_sound_7
Letter sound (language 2): Item 7
l2_letter_sound_8
Letter sound (language 2): Item 8
l2_letter_sound_9
Letter sound (language 2): Item 9
l2_letter_sound_10
Letter sound (language 2): Item 10
l2_letter_sound_11
Letter sound (language 2): Item 11
l2_letter_sound_12
Letter sound (language 2): Item 12
l2_letter_sound_13
Letter sound (language 2): Item 13
l2_letter_sound_14
Letter sound (language 2): Item 14
l2_letter_sound_15
Letter sound (language 2): Item 15
l2_letter_sound_16
Letter sound (language 2): Item 16
l2_letter_sound_17
Letter sound (language 2): Item 17
l2_letter_sound_18
Letter sound (language 2): Item 18
l2_letter_sound_19
Letter sound (language 2): Item 19
l2_letter_sound_20
Letter sound (language 2): Item 20
l2_letter_sound_21
Letter sound (language 2): Item 21
l2_letter_sound_22
Letter sound (language 2): Item 22
l2_letter_sound_23
Letter sound (language 2): Item 23
l2_letter_sound_24
Letter sound (language 2): Item 24
l2_letter_sound_25
Letter sound (language 2): Item 25
l2_letter_sound_26
Letter sound (language 2): Item 26
l2_letter_sound_27
Letter sound (language 2): Item 27
l2_letter_sound_28
Letter sound (language 2): Item 28
l2_letter_sound_29
Letter sound (language 2): Item 29
l2_letter_sound_30
Letter sound (language 2): Item 30
l2_letter_sound_31
Letter sound (language 2): Item 31
l2_letter_sound_32
Letter sound (language 2): Item 32
l2_letter_sound_33
Letter sound (language 2): Item 33
l2_letter_sound_34
Letter sound (language 2): Item 34
l2_letter_sound_35
Letter sound (language 2): Item 35
l2_letter_sound_36
Letter sound (language 2): Item 36
l2_letter_sound_37
Letter sound (language 2): Item 37
l2_letter_sound_38
Letter sound (language 2): Item 38
l2_letter_sound_39
Letter sound (language 2): Item 39
l2_letter_sound_40
Letter sound (language 2): Item 40
l2_letter_sound_41
Letter sound (language 2): Item 41
l2_letter_sound_42
Letter sound (language 2): Item 42
l2_letter_sound_43
Letter sound (language 2): Item 43
l2_letter_sound_44
Letter sound (language 2): Item 44
l2_letter_sound_45
Letter sound (language 2): Item 45
l2_letter_sound_46
Letter sound (language 2): Item 46
l2_letter_sound_47
Letter sound (language 2): Item 47
l2_letter_sound_48
Letter sound (language 2): Item 48
l2_letter_sound_49
Letter sound (language 2): Item 49
l2_letter_sound_50
Letter sound (language 2): Item 50
l2_letter_sound_51
Letter sound (language 2): Item 51
l2_letter_sound_52
Letter sound (language 2): Item 52
l2_letter_sound_53
Letter sound (language 2): Item 53
l2_letter_sound_54
Letter sound (language 2): Item 54
l2_letter_sound_55
Letter sound (language 2): Item 55
l2_letter_sound_56
Letter sound (language 2): Item 56
l2_letter_sound_57
Letter sound (language 2): Item 57
l2_letter_sound_58
Letter sound (language 2): Item 58
l2_letter_sound_59
Letter sound (language 2): Item 59
l2_letter_sound_60
Letter sound (language 2): Item 60
l2_letter_sound_61
Letter sound (language 2): Item 61
l2_letter_sound_62
Letter sound (language 2): Item 62
l2_letter_sound_63
Letter sound (language 2): Item 63
l2_letter_sound_64
Letter sound (language 2): Item 64
l2_letter_sound_65
Letter sound (language 2): Item 65
l2_letter_sound_66
Letter sound (language 2): Item 66
l2_letter_sound_67
Letter sound (language 2): Item 67
l2_letter_sound_68
Letter sound (language 2): Item 68
l2_letter_sound_69
Letter sound (language 2): Item 69
l2_letter_sound_70
Letter sound (language 2): Item 70
l2_letter_sound_71
Letter sound (language 2): Item 71
l2_letter_sound_72
Letter sound (language 2): Item 72
l2_letter_sound_73
Letter sound (language 2): Item 73
l2_letter_sound_74
Letter sound (language 2): Item 74
l2_letter_sound_75
Letter sound (language 2): Item 75
l2_letter_sound_76
Letter sound (language 2): Item 76
l2_letter_sound_77
Letter sound (language 2): Item 77
l2_letter_sound_78
Letter sound (language 2): Item 78
l2_letter_sound_79
Letter sound (language 2): Item 79
l2_letter_sound_80
Letter sound (language 2): Item 80
l2_letter_sound_81
Letter sound (language 2): Item 81
l2_letter_sound_82
Letter sound (language 2): Item 82
l2_letter_sound_83
Letter sound (language 2): Item 83
l2_letter_sound_84
Letter sound (language 2): Item 84
l2_letter_sound_85
Letter sound (language 2): Item 85
l2_letter_sound_86
Letter sound (language 2): Item 86
l2_letter_sound_87
Letter sound (language 2): Item 87
l2_letter_sound_88
Letter sound (language 2): Item 88
l2_letter_sound_89
Letter sound (language 2): Item 89
l2_letter_sound_90
Letter sound (language 2): Item 90
l2_letter_sound_91
Letter sound (language 2): Item 91
l2_letter_sound_92
Letter sound (language 2): Item 92
l2_letter_sound_93
Letter sound (language 2): Item 93
l2_letter_sound_94
Letter sound (language 2): Item 94
l2_letter_sound_95
Letter sound (language 2): Item 95
l2_letter_sound_96
Letter sound (language 2): Item 96
l2_letter_sound_97
Letter sound (language 2): Item 97
l2_letter_sound_98
Letter sound (language 2): Item 98
l2_letter_sound_99
Letter sound (language 2): Item 99
l2_letter_sound_100
Letter sound (language 2): Item 100
l2_letter_sound_score
Letter sound (language 2): Raw score
l2_letter_sound_time_remain
Letter sound (language 2): Time remaining
l2_letter_sound_score_pcnt
Letter sound (language 2): Percent correct
l2_letter_sound_score_zero
Letter sound (language 2): Zero score indicator
l2_letter_sound_auto_stop
Letter sound (language 2): Auto stop indicator
l2_letter_sound_attempted
Letter sound (language 2): Attempted
l2_letter_sound_attempted_pcnt
Letter sound (language 2): Percent correct of attempted
l2_invent_word_1
Invented word (language 2): Item 1
l2_invent_word_2
Invented word (language 2): Item 2
l2_invent_word_3
Invented word (language 2): Item 3
l2_invent_word_4
Invented word (language 2): Item 4
l2_invent_word_5
Invented word (language 2): Item 5
l2_invent_word_6
Invented word (language 2): Item 6
l2_invent_word_7
Invented word (language 2): Item 7
l2_invent_word_8
Invented word (language 2): Item 8
l2_invent_word_9
Invented word (language 2): Item 9
l2_invent_word_10
Invented word (language 2): Item 10
l2_invent_word_11
Invented word (language 2): Item 11
l2_invent_word_12
Invented word (language 2): Item 12
l2_invent_word_13
Invented word (language 2): Item 13
l2_invent_word_14
Invented word (language 2): Item 14
l2_invent_word_15
Invented word (language 2): Item 15
l2_invent_word_16
Invented word (language 2): Item 16
l2_invent_word_17
Invented word (language 2): Item 17
l2_invent_word_18
Invented word (language 2): Item 18
l2_invent_word_19
Invented word (language 2): Item 19
l2_invent_word_20
Invented word (language 2): Item 20
l2_invent_word_21
Invented word (language 2): Item 21
l2_invent_word_22
Invented word (language 2): Item 22
l2_invent_word_23
Invented word (language 2): Item 23
Total: 1884
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