Table 4.
Mean accuracy and mean of median RTs for high and low frequency fillers in item recognition as a function of age and IQ.
| Age group | Mean IQs | Accuracy |
|||||
|---|---|---|---|---|---|---|---|
| Old high freq. | Old low freq. | New high freq. | New low freq. | High freq. mean | Low freq. mean | ||
| College age | 98.1 | .657 | .713 | .712 | .790 | .685 | .752 |
| 121.6 | .695 | .805 | .813 | .895 | .754 | .850 | |
| 60–74 year olds | 97.1 | .541 | .711 | .750 | .843 | .646 | .777 |
| 121.4 | .698 | .823 | .830 | .918 | .766 | .874 | |
| 75–90 year olds | 102.0 | .534 | .642 | .704 | .810 | .619 | .726 |
| 123.2 | .652 | .726 | .733 | .875 | .693 | .801 | |
| Means of median RTs (ms) |
|||||||
| College age | 98.1 | 706 | 714 | 752 | 806 | 729 | 760 |
| 121.6 | 694 | 670 | 814 | 692 | 754 | 681 | |
| 60–74 year olds | 97.1 | 1022 | 952 | 1085 | 1016 | 1055 | 984 |
| 121.4 | 942 | 860 | 1031 | 944 | 987 | 902 | |
| 75–90 year olds | 102.0 | 1205 | 1182 | 1359 | 1286 | 1282 | 1229 |
| 123.2 | 977 | 942 | 1168 | 1042 | 1073 | 992 | |