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faculty: "FMG" and publication year: "2001"
| Authors | H.L.J. van der Maas, B.R.J. Jansen | | Title | Evidence for the Phase transition from rule I to rule II on the balance scale task. |
| Journal | Developmental Review |
| Volume | 21 |
| Year | 2001 |
| Issue | 4 |
| Pages | 450-494 |
| Faculty | Faculty of Social and Behavioural Sciences |
| Institute/dept. | FMG: Psychology Research Institute |
| Keywords | Balance scale task; Discontinuous development; Cusp model; Proportional reasoning; Child development |
| Abstract | A central and recurrent theme in developmental psychology is the question whether development proceeds continuously or discontinuously. This question is difficult to answer because the 2 types of development may be hard to distinguish. To investigate whether change is discontinuous, one requires a formal model for discontinuous development. Such a model should provide operational, empirical criteria to investigate the nature of development. The cusp model, which is derived from catastrophe theory, is a formal model of discontinuity that provides such criteria. In the present research, it is tested whether the transition from Rule I to Rule II on the balance scale task proceeds discontinuously. The present research centers around 5 catastrophe flags: bimodality, inaccessible region, sudden jump, divergence, and hysteresis. Two experiments are reported. In Exp 1, a paper-and-pencil version of the balance scale task was administered to 314 children (aged 6-10 yrs). In Exp 2, an adapted version of the test was administered to 302 children (aged 6-10 yrs). Bimodality, inaccessible region, hysteresis, and sudden jump were clearly observed. The presence of 4 of the 5 flags strongly supports the hypothesis that the transition from Rule I to Rule II is discontinuous. |
| Document type | Article |
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