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Published on: May 15, 2019
Visual habituation tasks: the role of infant temperament
Daniela Mink1, Anne Henning, Gisa Aschersleben
1Saarland University, Developmental Psychology, Universität des Saarlandes, AE Entwicklungspsychologie, Campus, 66123 Saarbrücken, Germany. d.mink@mx.uni-saarland.de
Insights
Infant temperament, assessed using the Infant Behavior Questionnaire Revised (IBQ-R), showed minimal impact on dropout rates in visual habituation tasks. However, temperament may influence dropout if the task occurs late in a testing session.
Area of Science:
- Developmental Psychology
- Infant Behavior Studies
Background:
- Infant looking time studies often report high dropout rates.
- Understanding factors influencing infant participation is crucial for reliable data collection.
Purpose of the Study:
- To investigate the relationship between infant temperament and dropout rates in visual habituation tasks.
- To determine if specific temperament dimensions predict task completion in infants aged 6 and 12 months.
Main Methods:
- Longitudinal study with 80 infants at 6 and 12 months of age.
- Infant temperament assessed using the Infant Behavior Questionnaire Revised (IBQ-R).
- Two visual habituation tasks administered at both age points.
Main Results:
- Dropout rates varied significantly (21%-68%) across tasks.
- Few IBQ-R subscales, notably Duration of Orienting, impacted dropout.
- No systematic relationship found between overall temperament and dropout rates.
Conclusions:
- High dropout rates in infant habituation studies are not consistently linked to infant temperament.
- Temperament may play a role in dropout when habituation tasks are performed at the end of extended testing sessions.
Abstract:
This longitudinal study investigated the relation between infant temperament and dropout rate in two visual habituation tasks when infants (N=80) were 6 and 12 months of age. At both age points, infant temperament was assessed with the Infant Behavior Questionnaire Revised (IBQ-R) and infants were presented with the same two habituation tasks that were similar in set-up and procedure but different in content. Consistent with previous German work, a two-factor solution was found at each age point indicating Surgency/Extraversion and Negative Affectivity as underlying temperament dimensions. Dropout rates in the habituation tasks ranged from 21% to 68%. Overall, only few IBQ-R subscales, especially Duration of Orienting, had an impact on dropout rate. This suggests that the relatively high dropout rates reported in infant looking time studies are not systematically related to infant temperament. However, findings also suggest that temperament might have an impact on the likelihood of dropout when a habituation task is conducted at the end of a longer test session.
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