What method did Piaget use in his conservation of number study?

Piaget used a clinical interview, questioning individual children as they worked with sets of objects. The participants were Swiss children, mostly aged between about 4 and 7.

Describe the procedure of Piaget's conservation of number task.

A child was shown two rows with the same number of objects, laid out side by side. One row was then spread out or bunched up, and the child was asked whether both still held the same number.

What materials did Piaget use in the conservation of number study?

Piaget used everyday objects such as counters, eggs and egg cups, and bottles and glasses. Children were asked to match the sets one to one before the arrangement was changed.

What did Piaget find at the first stage of number conservation?

The youngest children, at around 4 to 5 years, judged number by the length of a row. Children at this stage could not reliably match the sets one to one.

What did Piaget find at the second stage of number conservation?

Children at the second stage could match objects one to one while the rows were lined up. When a row was spread out, the children believed the longer row held more.

OCR GCSE Psychology J203

Criminal Psychology

Topic overview Types of crime and how crime is measured Social learning theory of crime and Cooper and Mackie's study Eysenck's criminal personality theory and Heaven's study Punishment, rehabilitation and restorative justice

Development

Topic overview Stages of development, the brain and IQ tests Structure of the brain Piaget's theory of cognitive development Piaget's conservation of number study and education Dweck's mindsets, Willingham and Blackwell's study

Psychological Problems

Topic overview Mental health, prevalence and changing attitudes Stigma, discrimination and the effects of mental health problems Schizophrenia and its explanations Clinical depression and its explanations Treatments and neuropsychology

Social Influence

Topic overview Conformity, crowds and culture Obedience and Bickman's uniform study Personality, the brain and the August riots Minority and majority influence on mental health stigma

Memory

Topic overview Information processing and the multi-store model Amnesia and the Clive Wearing case Reconstructive memory and Braun's Disney study Memory in advertising and the Wechsler Memory Scale

Sleep and Dreaming

Topic overview Sleep stages, functions and body clocks Freud's theory of dreaming and the Wolfman Activation synthesis theory and bizarre dreams Insomnia and its treatment

Research Methods

Topic overview Hypotheses, variables and experimental designs Sampling and ethical guidelines Experiments, interviews and questionnaires Observations, case studies and correlations Descriptive statistics, tables and graphs Reliability, validity and bias The five core areas of psychology

Development

Piaget's conservation of number study and education

3 things to know
Component 01

Overview

Piaget's counters task and its three stages of number conservation, McGarrigle and Donaldson's challenge, and key stages, readiness and active learning in schools.

What you need to know

Answer each one before you reveal it.

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Process

What did Piaget find about children at the first two stages of number conservation?

Evaluation

What are the criticisms of Piaget's conservation of number study?

Key term

What was the aim of Piaget's (1952) study of the conservation of number?

Questions from this subtopic

Each one with the model answer underneath.

1
What was the aim of Piaget's (1952) study of the conservation of number?
Model answer
Piaget aimed to discover when children understand that the number of objects in a set does not change when rearranged. The study explored how this understanding develops with age.
2
What method did Piaget use in his conservation of number study?
Model answer
Piaget used a clinical interview, questioning individual children as they worked with sets of objects. The participants were Swiss children, mostly aged between about 4 and 7.
3
Describe the procedure of Piaget's conservation of number task.
Model answer
A child was shown two rows with the same number of objects, laid out side by side. One row was then spread out or bunched up, and the child was asked whether both still held the same number.
4
What materials did Piaget use in the conservation of number study?
Model answer
Piaget used everyday objects such as counters, eggs and egg cups, and bottles and glasses. Children were asked to match the sets one to one before the arrangement was changed.
5
What did Piaget find at the first stage of number conservation?
Model answer
The youngest children, at around 4 to 5 years, judged number by the length of a row. Children at this stage could not reliably match the sets one to one.
6
What did Piaget find at the second stage of number conservation?
Model answer
Children at the second stage could match objects one to one while the rows were lined up. When a row was spread out, the children believed the longer row held more.

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