Table 2.
Concordance (in Percent) Between Hand Preference Group Assignment According to the Monthly Binomial Test (“Michel” Task) and Latent Class Analysis Based on “Michel” Task
| Infant’s Age in Months | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
|---|---|---|---|---|---|---|---|
| Kappa, test of agreement | 0.19† | 0.25* | 0.25* | 0.26* | 0.23* | 0.25* | 0.26* |
| Percent Matching | 46 | 52 | 49 | 54 | 52 | 47 | 44 |
| Right binomial identified as no pref. LC | 14 | 5 | 6 | 5 | 8 | 5 | 10 |
| Right binomial identified as left LC | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Left binomial identified as right LC | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| Left binomial identified as no pref. LC | 1 | 7 | 7 | 4 | 3 | 9 | 4 |
| No Pref. binomial identified as right LC | 33 | 32 | 34 | 33 | 32 | 34 | 37 |
| No Pref. binomial identified as left LC | 3 | 3 | 3 | 3 | 3 | 5 | 3 |
Note. LC = latent class; pref. = preference;
†
poor strength of agreement;
*
fair strength of agreement