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This study, conducted by two third-year psychology students, aimed to investigate Piaget's stage theory. The research focused on a 4-year-old female child and assessed her comprehension of more and less. It also involved standard and modified versions of conservation and class inclusion tasks. The results revealed that the child encountered difficulties in both the modified conservation and class inclusion tasks, despite attempts to eliminate some confounding factors present in the standard tasks. This suggests that children in the pre-operational stage may indeed lack the ability to conserve and categorize objects, as predicted by Piaget.
However, further research is needed to explore children's numerical abilities and address perceptual seductions. Additionally, future studies should compare children who can and cannot attend to numerical logic and modify class inclusion tasks to mitigate perceptive seduction confounds.
Researchers have long been intrigued by the various confounds present in Jean Piaget's stage theories, which suggest that children in the pre-operational stage lack the ability to perform conservation and class inclusion tasks (White, Hayes, Livsey, 2005).
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Critiques of Piaget's methodologies have pointed out flaws and proposed alternatives to the standard Piagetian tasks, including issues such as conversational confusions, perceptual seductions, and linguistic misunderstandings (Light, 1986; Siegel, 1978, 2003; Meadows, 1988). Many of these modifications to the standard tasks have been found to be better predictors of children's abilities in conservation and class inclusion tasks (Light, 1986; Siegel, 1978, 2003; Meadows, 1988).
According to Piaget's stage theory, children in the pre-operational stage are non-conservers, primarily due to their tendency to engage in centration, where they focus on only one aspect of a problem at a time (White et al., 2005).
This implies that they are unable to understand that quantitative properties of objects can remain unchanged despite changes in their appearance (White et al., 2005). For instance, pre-operational children typically judge that the same volume of water is more after a transformation in standard liquid conservation tasks (Siegel, 2003). However, conversational confusions may impact these results, as children might misinterpret repeated questions as cues to change their answers to please adult experimenters (Siegel, 2003).
To address conversational confusion, researchers have modified liquid conservation tasks through the use of incidental transformation (Light, 1986). This modification contextualizes why adults repeat questions and has been found to significantly improve children's performance compared to standard tasks (Light, 1986).
An alternative explanation for children's difficulties in conservation tasks is the theory of perceptual seduction, which posits that children focus more on the post-transformation state, ignoring the pre-transformation state (Siegel, 2003). Research indicates that children who do not witness the transformation process are more likely to conserve than those who observe it (Siegel, 2003).
Another challenge identified by Piaget is children's ability to attend to class inclusion tasks (Siegel, 2003). In one study, pre-operational children were asked if there were more trucks or vehicles when presented with six cars and four trucks, and they typically answered "cars" (White et al., 2005). This limitation might stem from linguistic misunderstandings. For instance, when children were asked if they wanted to eat candy, more of them passed the task (50%) compared to when they were asked if there were more candies in an array (26%) (Sigel, 1978). These results suggest that children perform better on class inclusion tasks when linguistic cues are made salient, using age-appropriate terminology, rather than abstract concepts like "more" and "less" (Sigel, 1978).
In the current study, modified versions of the conservation and class inclusion tasks were designed to address linguistic issues and eliminate confounds present in standard tasks.
Participant: The study involved a 4-year-old female child who attends a local preschool and lives with both of her parents in Petersham.
Materials: The study used various materials, including blocks, bottles, toy horses, and images, depending on the specific task. The details of the materials used for each task are provided in the appendix.
Procedure: The experiment followed a specific order of tasks, including comprehension of more and less, standard number conservation, standard liquid conservation, standard class inclusion, modified liquid conservation, and modified class inclusion. Detailed procedures for each task can be found in the appendix.
The results of the study indicated that the child could comprehend when something was more but struggled to transform a larger pile into a smaller one. Furthermore, the child provided correct answers to pre-transformation questions in standard number and liquid conservation tasks and modified liquid tasks. However, she failed to answer post-transformation questions correctly or provide justifications for her responses. Additionally, the child encountered difficulties in all class inclusion tasks, even after introducing the concept of "family" in the modified class inclusion task. A detailed summary of the results is provided in Appendix A.
Contrary to expectations, the child did not perform better in any of the modified tasks compared to the standard tasks. These results support the hypothesis that children may perform poorly in standard conservation and class inclusion tasks. The child consistently struggled across all standard Piagetian tasks, placing her firmly in Piaget's preoperational stage. This aligns with the critiques of the field, which have found that preoperational children tend to perform poorly in standard tasks (Light, 1986; Siegel, 1978, 2003; Meadows, 1988). Therefore, these criticisms gain validity through the child's performance in the modified tasks.
Interestingly, the results suggest that the child's performance in standard tasks may be hindered by her ability to correctly comprehend the concept of more and less, rather than conversational confusion. The study did not find evidence of conversational confusion even after addressing potential confounds. In the modified liquid conservation task, despite introducing an "incidental" transformation, the child's performance did not significantly improve compared to the standard tasks. This result contradicts Light's (1986) findings, where children in modified tasks performed substantially better than those in standard tasks. This discrepancy may be attributed to the child's incomplete grasp of the concepts of more and less or her genuine inability to conserve, as proposed by Piaget (White et al., 2005).
It is important to note that the study also did not find support for linguistic misunderstandings in the class inclusion tasks. The child performed equally poorly in both standard and modified class inclusion tasks, even after introducing the concept of "family." This finding does not align with Meadow's (1988) theory that understanding the relationship between superordinate and subordinate categories improves performance in class inclusion tasks.
The child's difficulties in all class inclusion tasks may be attributed to Piaget's concept of centration, where preoperational children tend to focus on one aspect of a problem at a time (White et al., 2005). In this case, the child may have fixated on the idea that there were more baby horses, disregarding the concept of the "family." Alternatively, the child's struggles may be linked to her inability to grasp the concepts of more and less.
One limitation of the study was the child's difficulty in comprehending the concept of "less." This ambiguity raises questions about whether preoperational children genuinely lack the ability to perform conservation and class inclusion tasks or if these difficulties stem from their limited understanding of numerical concepts. Future research could address this issue by comparing the performance of preoperational children who can and cannot attend to numerical logic. Another approach could involve using age-specific linguistic cues in class inclusion tasks instead of abstract concepts like "more" and "less" (Siegel, 1978).
In conclusion, the results of this study support the idea that children in the preoperational stage may struggle with conservation and class inclusion tasks, even when some confounding factors are addressed. However, the study also highlights the need for further research to explore the root causes of these difficulties, such as the child's ability to comprehend numerical concepts. Additionally, future studies can continue to refine and modify the tasks to better assess children's cognitive development.
Investigating Piaget's Stage Theory: A Study on Child Development. (2016, Jul 29). Retrieved from https://studymoose.com/child-in-the-preoperational-stage-essay
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