Metacognitive Performance, the Tip-of-Tongue Experience, Is Not Disrupted in Parkinsonian Patients

Table 2

Shrinkage factors (𝐸^𝛼 and 𝐸^2𝛼), confidence intervals (CI), inferential confidence intervals (ICI), _𝑒𝑅_𝑔^2𝛼, and Δ for memory performance.

	Correct recall		Incorrect recall		Correct recognition
	PD	Elderly	PD	Elderly	PD	Elderly
M	.35	.35	.13	.14	.80	.78
SD	.18	.17	.05	.06	.15	.20
SE	.04	.04	.01	.01	.03	.04
E ^α	.69		.69		.69
E^2 ^α	.69		.69		.70
95% CI	.27–.43	.28–.43	.11–.15	.11–.16	.73–.87	.69–.87
95% ICI	.29–.40	.30–.40	.11–.14	.12–.15	.75–.85	.72–.84
90% ICI	.30–.39	.31–.45	.11–.14	.12–.15	.76–.84	.73–.83
𝑒𝑅𝑔^2𝛼	.09		.04		.11
Δ	.15		.04		.18

Note: 𝑁=22; 𝐸^𝛼 is based on 100(1−𝛼) and 𝐸^2𝛼 is based on (1−2𝛼); _𝑒𝑅_𝑔^2𝛼 is based on 90% ICI and Δ is based on 95% CI for the elderly group.