Table 6.
Split-half reliability correlations on reaction times across for older participants
| Measure | Half A | HalfB | r |
|---|---|---|---|
| M(SD) | M(SD) | ||
| Facing direction | 1.1 (.47) | 0.97 (0.36) | 0.756 |
| Target detection | |||
| Present (2) | 1.4 (0.56) | 1.2 (0.32) | 0.708 |
| Present (3) | 1.6 (0.51) | 1.4 (0.34) | 0.592 |
| Present (4) | 1.7 (0.44) | 1.5 (0.33) | 0.784 |
| Absent (2) | 1.6 (0.47) | 1.5 (0.54) | 0.450 |
| Absent (3) | 1.8 (0.48) | 1.7 (0.41) | 0.642 |
| Absent (4) | 2.1 (0.60) | 1.8 (0.35) | 0.646 |
| Visual search | |||
| Present (4) | 0.89 (0.18) | 82 (0.16) | 0.826 |
| Present (8) | 1.1 (0.37) | .95 (0.25) | 0.307* |
| Present (16) | 1.2 (0.41) | 1.1 (0.25) | 0.703 |
| Absent (4) | 1.1 (0.32) | .96 (0.29) | 0.682 |
| Absent (8) | 1.2 (0.38) | 1.1 (0.36) | 0.627 |
| Absent (16) | 1.6 (0.49) | 1.5 (0.63) | 0.774 |
| Spatial cueing | |||
| Valid | 0.97 (0.34) | .89 (0.26) | 0.574 |
| Invalid | 1.2 (0.34) | 1.1 (0.37) | 0.841 |
| Neutral | 1.0 (0.28) | .99 (0.30) | 0.842 |
| Stroop task | |||
| Congruent | 1.3 (0.35) | 1.1 (0.30) | 0.708 |
| Incongruent | 1.6 (0.57) | 1.4 (0.45) | 0.788 |
| Neutral | 1.3 (0.42) | 1.2 (0.37) | 0.900 |
The correlations showed significant reliabilities for most conditions in all tasks
All correlations significant at p < 0.05 except *