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Developmental Data Interpretation

Practise interpreting developmental psychology data, including conclusions, correlations, statistical calculations, tables and evidence-based decisions about child-development…

Syllabus
First assessment 2026
Course
Psychology XPS01/YPS01
Level
A2

Exam points

  • Draw conclusions from tables by citing the data and linking the pattern to developmental behaviour.
  • Use the correct correlation calculation and report the result to the requested level of precision.

5.3.4 - Decision making and data interpretation question 1

[Maximum number: 3]

Sophia investigated the relationship between the number of hours two-year-old children spent in day care and the number of words each child could say. Day care is where children are looked after by carers other than their parents or relatives.
She recorded the average number of hours a week spent in day care and the number of different words the two-year-old children said in an hour.
The data gathered by Sophia is shown in Table 1.

Table 1

Table 1

Calculate Spearman's rank for the data gathered by Sophia.
You must give your answer to two decimal places.
The formulae and statistical tables can be found at the front of the paper. (3)

Space for calculations

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