Search PubMed⌕ Search

Biomedical subjects

Juhani E Lehto

Publications and source records attributed to Juhani E Lehto.

2 recordsLinked to original sources

A test for children's goal-directed behavior: a pilot study.

A test for children's goal-directed behavior was developed, based on neuropsychological executive function research of Vilkki and Holst and on the framework of Lewin's level-of-aspiration research. 46 12-yr.-old children were participants. Fluid Intelligence was expected to be linked to goal-directed behavior and a commonly used executive function task, the Wisconsin Card-sorting Test. A child was asked to set personal goals in a short-term memory task without prior knowledge about performance. Four different task versions were developed employing both verbal (memorizing series of words) and visuospatial (memorizing block sequences) material. The child set an individual goal for each memory trial. Goal-setting after successful and failed trials was investigated. Usually, the children lowered their goals after failures and set their goals higher or did not change them after successful trials. Compared to goal on a previous trial, Inadequate Responses included setting a goal higher after a failed trial and setting it lower after success. Fluid Intelligence was related to goal-directed behavior, viz., Inadequate Responses. It also correlated with scores on the Wisconsin Card-sorting Test. The results are in concordance with previous research. In addition to experimental executive function research, the novel test might be useful in research concerning children's motivation, self-efficacy, and self-regulated learning.

Child↗

Gambling as an executive function task.

The Iowa Gambling Task (IGT; Bechara, Damasio, Damasio, & Anderson, 1994) was investigated in relation to fluid intelligence and two conventional executive function tasks: letter fluency and the Wisconsin Card Sorting Test. Fifty-one children aged 8-10 years and a heterogeneous group of 40 adults served as participants. Adults outperformed children on all measures except one; this was the number of good cards selected in the IGT. Intercorrelations among executive function tasks were low. The number of good cards in the IGT appeared to be lower than in previous studies. Reasons for poor performance are discussed. The IGT may possess some shortcomings, which should be investigated in future studies. In clinical usage, the IGT may best serve as a complementary tool to the executive functions test battery.

Adult↗