Study developmental psychology methods, including clinical interviews, cross-sectional and longitudinal designs, sampling, reliability, validity and evaluation of child…
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.
Identify the research method Marianne used to determine how language developed across the age groups.
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AO2 (1 mark)
Credit one mark for accurate identification.
For example:
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\item[-] Marianne used a cross-sectional research method.
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Look for other reasonable marking points.
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(1)