Table 3. Participant Comprehension, confidence, and influence.

ID Quality	Instruction	n	Comprehension of Instruction	Confidence in Verdict	Influence of Testimony
Strong	Enhanced	83	5.51 (0.85)	4.61 (1.17)	4.12 (1.38)
Strong	Standard	88	5.61 (0.56)	4.77 (1.13)	4.43 (1.31)
Weak	Enhanced	80	5.56 (0.61)	4.66 (1.08)	4.15 (1.34)
Weak	Standard	84	5.61 (0.62)	4.65 (1.19)	4.40 (1.14)

Means and standard deviations of mock jurors' comprehension of the judicial instruction, confidence in their verdict, and agreement that the testimony of the key eyewitness was “influential in [their] verdict decision.” All responses were on a 1–6 point Likert scale, with higher numbers indicating greater comprehension, confidence, or agreement.