Table 6.
Linear regression model estimates (standard errors) for the test naïve sample.
| Model Covariate Estimate1 (std. error) | ||||||
|---|---|---|---|---|---|---|
| N | iPad vs. PC Group Difference Estimate1 (std. error) |
Age | Non-Linear Age | Education | Sex | |
| DET speed | 2303 | 0.004 (0.005) | 0.003** (0.001) | 0.001 (0.001) | −0.005** (0.001) | −0.017** (0.004) |
| DET raw speed | 14.044* (6.173) | 2.832** (0.598) | 1.382 (0.813) | −5.171** (0.965) | −16.896** (4.721) | |
| DET accuracy | −0.024** (0.005) | 0.000 (0.000) | 0.000 (0.001) | 0.005** (0.001) | 0.000 (0.004) | |
| DET raw accuracy | −0.005** (0.001) | 0.000 (0.000) | 0.000 (0.000) | 0.001** (0.000) | 0.000 (0.001) | |
| IDN speed | 2352 | 0.057** (0.004) | 0.002** (0.000) | 0.000 (0.001) | −0.003** (0.001) | 0.001 (0.003) |
| IDN raw speed | 91.180** (5.822) | 2.608** (0.568) | 0.413 (0.771) | −4.601** (0.920) | 1.459 (4.473) | |
| IDN accuracy | 0.032** (0.007) | −0.001 (0.001) | −0.001 (0.001) | 0.002 (0.001) | −0.015* (0.005) | |
| IDN raw accuracy | 0.007** (0.002) | 0.000 (0.000) | 0.000 (0.000) | 0.000 (0.000) | −0.005* (0.002) | |
| OCL speed | 2321 | 0.043** (0.005) | 0.002** (0.000) | 0.001 (0.001) | 0.001 (0.001) | 0.000 (0.004) |
| OCL raw speed | 132.010** (15.109) | 4.241* (1.471) | 5.257* (1.993) | 1.040 (2.386) | −2.581 (11.603) | |
| OCL accuracy | 2321 | 0.001(0.005) | −0.003** (0.000) | 0.002* (0.001) | 0.004** (0.001) | 0.003 (0.004) |
| OCL raw accuracy | 0.001 (0.004) | −0.002** (0.000) | 0.001* (0.001) | 0.003** (0.001) | 0.003 (0.003) | |
| ONB speed | 2297 | 0.029** (0.005) | 0.003** (0.000) | 0.000 (0.001) | −0.003** (0.001) | −0.003 (0.004) |
| ONB raw speed | 66.622** (10.565) | 4.987** (1.023) | 1.984 (1.405) | −5.898** (1.665) | −8.158 (8.079) | |
| ONB accuracy | 2297 | 0.027** (0.008) | −0.001 (0.001) | −0.002 (0.001) | 0.005** (0.001) | −0.020* (0.006) |
| ONB raw accuracy | 0.007* (0.003) | 0.000 (0.000) | −0.001* (0.000) | 0.002** (0.001) | −0.007* (0.003) | |
| GMLT MPS | 1814 | 0.117** (0.010) | −0.009** (0.001) | 0.002 (0.001) | 0.007** (0.001) | 0.020* (0.006) |
| GMLT total errors | 3.514* (1.297) | 0.439** (0.096) | 0.258 (0.148) | −1.025** (0.168) | −4.977** (0.796) | |
Note. Higher values for speed variables indicate slower response time; higher GMLT MPS indicate faster response time. PC = personal computer; SD = standard deviation; DET = Detection; IDN = Identification; OCL = One Card Learning; ONB = One Back; GMLT = Groton Maze Learning Test; MPS = Moves Per Second.
1
* p < .05;** p < .001