Table 2.
Parameter | True value | Mean of estimate | SD of estimate | Bias |
|
Coverage of 95% CI(%) | |
---|---|---|---|---|---|---|---|
Latent recall | |||||||
β0 | 2.36 | 2.36 | 0.08 | −0.003 | 0.08 | 90 | |
β1 | 0.26 | 0.26 | 0.02 | 0.001 | 0.02 | 90 | |
σb | 0.30 | 0.30 | 0.02 | −0.001 | 0.02 | 95 | |
Heaping behavior | |||||||
γ1 | −1.49 | −1.61 | 0.55 | −0.12 | 0.56 | 94 | |
γ2 | −5.28 | −5.42 | 0.69 | −0.14 | 0.70 | 96 | |
γ3 | −10.14 | −10.61 | 3.56 | −0.47 | 3.58 | 87 | |
γ0 | 0.11 | 0.11 | 0.02 | 0.005 | 0.02 | 95 | |
σu | 2.67 | 2.64 | 0.32 | −0.03 | 0.32 | 92 |