TABLE 2.
The uConsent item‐level statistics by level of difficulty/endorsability (N = 109).
| Item description (N) | JMLE difficulty (SE) | Descriptive statistics a | Fit statistics | Point‐measure correlation | Item type | Regulatory requirement | Bloom's taxonomy | ||
|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Mdn (Rng) | InFit | OutFit | ||||||
| Specific purpose (I5) | 3.10 (0.43) | 1.06 (0.23) | 1 (1–2) | 0.22 | −0.07 | 0.12 | Binary | Benefits | Recall (C) |
| Study purpose (I1) | 1.90 (0.27) | 1.16 (0.36) | 1 (1–2) | 0.06 | −0.21 | 0.24 | Binary | Purpose | Recall (F) |
| Learn something (I6) | 1.57 (0.25) | 1.20 (0.40) | 1 (1–2) | 0.08 | −0.21 | 0.26 | Binary | Benefits | Understanding (C) |
| Main goal of study (I3) | 0.84 (0.21) | 1.33 (0.47) | 1 (1–2) | 0.76 | 0.83 | 0.21 | Binary | Purpose | Recall (C) |
| Privacy (I18) | 0.81 (0.14) | 0.61 (0.77) | 0 (0–2) | 0.81 | 1.23 | 0.35 | Binary | Confidentiality | Analysis/Synthesis (F) |
| Specific purpose (I19) | 0.69 (0.16) | 0.77 (0.65) | 1 (0–2) | −0.19 | −0.33 | 0.42 | Short Answer | Purpose | Evaluation (F) |
| Associated risks (I9) | 0.46 (0.20) | 2.91 (0.50) | 3 (2–4) | 0.59 | 0.42 | 0.21 | Multiple Choice | Risks | Application (C) |
| Identification (I11) | 0.44 (0.12) | 1.73 (0.97) | 1 (1–3) | −0.01 | 0.72 | 0.48 | Multiple Choice | Confidentiality | Application (C) |
| Purpose of IRB (I17) | 0.20 (0.20) | 0.47 (0.50) | 0 (0–1) | −2.51 | −2.45 | 0.50 | Short Answer | Who to Contact | Understanding (C) |
| Risk description (I13) | 0.10 (0.14) | 2.68 (0.79) | 3 (1–4) | 0.28 | −0.08 | 0.44 | Multiple Choice | Risks | Application (F) |
| Study procedures (I2) | 0.08 (0.20) | 1.50 (0.50) | 1 (1–2) | −2.98 | −2.73 | 0.53 | Binary | Purpose | Understanding (C) |
| Confidentiality (I15) | −0.06 (0.15) | 1.05 (0.71) | 1 (0–2) | −0.60 | −0.68 | 0.48 | Short Answer | Confidentiality | Evaluation (C) |
| Share information (I10) | −0.19 (0.13) | 2.47 (0.85) | 2 (1–4) | 0.58 | 0.92 | 0.40 | Multiple Choice | Re‐Identification | Analysis/Synthesis (C) |
| Serious risks (I14) | −0.20 (0.15) | 1.11 (0.72) | 1 (0–2) | −0.13 | –0.14 | 0.43 | Short Answer | Risks | Evaluation (C) |
| Volunteering (I16) | −1.12 (0.16) | 1.55 (0.67) | 2 (0–2) | −0.52 | −0.36 | 0.44 | Short Answer | Voluntariness | Analysis/Synthesis (C) |
| Withdrawal (I12) | −1.15 (0.13) | 3.70 (0.91) | 4 (1–4) | 0.89 | 0.84 | 0.41 | Multiple Choice | Who to Contact | Understanding (F) |
| Participation (I4) | −1.88 (0.28) | 1.85 (0.36) | 2 (1–2) | 0.22 | 0.44 | 0.20 | Binary | Voluntariness | Evaluation (C) |
| Identifiability (I8) | −2.57 (0.36) | 1.92 (0.28) | 2 (1–2) | 0.33 | 0.11 | 0.13 | Binary | Re‐Identification | Understanding (F) |
| Legal protection (I7) | −3.02 (0.43) | 1.94 (0.23) | 2 (1–2) | 0.18 | −0.12 | 0.18 | Binary | Confidentiality | Application (F) |
Note: N = 19 items, with each item number listed immediately after a brief item descriptor (In).
Abbreviations: C, conceptual; F, factual; JMLE, joint maximum likelihood estimation; IRB, institutional review board; Mdn, median; Rng, range; SE, Standard Error.
a
Empirically derived z‐scores.