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. 2024 Aug 6;9:50. doi: 10.1038/s41539-024-00264-4

Table 1.

Scales’ characteristics

basic scale description validation samplea factor structure
scale type items target population N Age (years) no. of factors factor description
AI literacy test32 performance-based 31 including 30 multiple-choice items with 4 options each and 1 sorting item university students 1286 23.6 ± 4.5 1 single factor
AI-CI33 performance-based 20 multiple-choice items middle school students 981, 108 ? 1 single factor
AILQ35 self-report 32 5-point Likert items secondary school students 363 13.1 ± 1.4 6 level one factors, 4 level two factors (F1) affective learning: (F1a) Intrinsic motivation (F1b) confidence (F2) behavioural learning: (F2a) behavioural commitment (F2b) collaboration (F3) cognitive learning: (F3a) know and understand (F3b) evaluate and create (F4) ethical learning
AILS36,46,47 self-report 12 7-point Likert items general population 325, 402, 536 29.7 ± 7.3, ?, ? 4 (F1) awareness (F2) use (F3) evaluation (F4) ethics
AISES31 self-report 22 7-point Likert items general population 314 ? 4 (F1) assistance (F2) anthropomorphic interaction (F3) comfort with AI (F4) technological skills
Chan & Zhou’s EVT based instrument (knwl. of gen. AI subscale)37 self-report 5 5-point Likert items university students 405 29.9 ± ? 1 single factor
ChatGPT literacy scale38 self-report 25 5-point Likert items college students 822 22.7 ± 2.6 5 (F1) technical proficiency (F2) critical evaluation (F3) communication proficiency (F4) creative application (F5) ethical competence
GSE-6AI30 self-report 6 4-point Likert items medical students 469 19.7 ± 2.5 1 single factor
Hwang et al.’s instrument39 self-report 19 5-point Likert items college students 318 ? 4 (F1) critical understanding (F2) artificial intelligence social impact recognition (F3) artificial intelligence technology utilization (F4) ethical behaviour
Intelligent TPACK40 self-report 29 7-point Likert items teachers 647 ? 5 (F1) technological knowledge (F2) technological pedagogical knowledge (F3) technological content knowledge (F4) technological pedagogical content knowledge (F5) ethics
Kim & Lee’s instrument41 self-report 30 5-point Likert items middle school students 1222 ? 6 (F1) societal impact (F2) understanding of AI (F3) AI execution plans (F4) problem solving with AI (F5) data literacy (F6) AI ethics
MAILS42 self-report 34 11-point Likert items adults 300 32.1 ± 11.7 8 level one factors, 4 level two factors (F1) AI literacy: (F1a) use & apply AI (F1b) understand AI (F1c) detect AI (F1d) AI ethics (F2) create AI (F3) AI self-efficacy: (F3a) AI problem solving (F3b) AI learning (F4) AI self-competency: (F4a) AI persuasion literacy (F4b) AI emotion regulation
MAIRS-MC43,48 self-report 22 5-point Likert items medical students 865, 502 21.3 ± 2.0, 22.7 ± 2.8 4 (F1) cognition (F2) ability (F3) vision (4) ethics
Pinski & Belian’s instrument44 self-report 13 7-point Likert items general population 50 32.8 ± 13.2 5 (F1) AI technology knowledge (F2) human actors in AI knowledge (F3) AI steps knowledge (F4) AI usage experience (F5) AI design experience
SAIL4ALL34 performance-based 56 true/false or 5-point Likert items general population 619 for true/false version, 393 for Likert scale version 45.8 ± 12.2 for true/false version, 46.3 ± 15.4 for Likert scale version 4 themes (subscales) – each with 1–2 factors (T1) what is AI? (T2) what can AI do? (T3) how does AI work? (T4) how should AI be used?
SNAIL45,4951 self-report 31 7-point Likert items adult non-experts, university students, medical students 415, 25, 653, 377 39.5 ± 13.6, 22.9 ± 2.3, 25.6 ± ?, 22.5 ± 3.2 3 (F1) technical understanding (F2) critical appraisal (F3) practical application

ain case the scale has been revalidated, the numbers refer to the original sample followed by the revalidation samples. N = number of participants used for scale development. ? = not reported.