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Edexcel IAL Psychology Topic E Developmental Psychology

Practise Edexcel IAL Psychology questions on development, attachment and early relationships, applying theories and evidence to developmental scenarios.

Syllabus
First assessment 2026
Course
Psychology XPS01/YPS01
Level
A2

Exam points

  • apply attachment and developmental theories to explain behaviour in context
  • evaluate developmental evidence by comparing studies, methods and explanations

Topic E: Developmental psychology question 1

[Maximum number: 8]

Evaluate the 44 Juvenile Thieves study carried out by Bowlby (1944).

Topic E: Developmental psychology question 2

[Maximum number: 6]

Samad and Amna investigated attachment in infants aged one to two years old using Ainsworth's strange situation procedure. The sample comprised of 20 families where both parents were in full-time employment.
Table 1 shows results for the observed reunion behaviour.

Table 1

Table 1

Question (a)

(a)

Give one conclusion that could be made from this investigation. (1)

[ 1 ]

Question (b)

(b)

Ainsworth suggested the 'caregiver sensitivity' hypothesis as an explanation for different attachment types.
Define what is meant by 'caregiver sensitivity'. (1)

[ 1 ]

Question (c)

(c)

Describe the research methodology used by Samad and Amna in their investigation. (2)
6

[ 2 ]

Question (d)

(d)

The strange situation procedure has been used cross-culturally.
Explain one reason why cross-cultural research is carried out when studying children.

[ 2 ]

Topic E: Developmental psychology question 3

[Maximum number: 5]

Marianne conducted research into the stages of language development in children aged between 2 and 5 years old. She selected 7 participants from each of the following age groups: 2-year-olds, 3-year-olds, 4-year-olds and 5-year-olds.
Marianne visited each participant once and gathered data about the number of words the children spoke in sentences, and the level of grammatical accuracy in their sentence structure.
She compared her data across each age group to determine how language develops in children aged between 2 and 5 years old.

Question (a)

(a)

Identify the research method Marianne used to determine how language developed across the age groups.

[ 1 ]

Question (b)

(b)

Suggest one reason why Marianne chose not to include children under the age of 12 months old in her research about the development of language.

[ 2 ]

Question (c)

(c)

Marianne used an opportunity sample of children from a single village.
Justify how Marianne could improve the generalisability of her study.

[ 2 ]
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