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studies that seek to explore change over time by sampling different (but comparable) samples at the same point in time – for example testing students in different grades on the same material to look for general differences (cf. longitudinal studies)
[Please be aware that a word may have different nuances, or even a different meaning, according to context.]
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Author: Keith
Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.
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