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Effects of a Cognitive Acceleration Programme on Year 1 pupils (Updated)

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Thinking skills

Which tests were used on the pupils?

Two sets of tests were used to measure cognitive development, Conservation and Drawing (spatial perception). They were applied at both the pre- and post- test stages.

The first test contained items about the conservation of number, quantities of liquids and solids, and weight. It was carried out by members of the research team, and by specially trained assistants. Because of the number of children involved (over 500), a one-third stratified sample of children was chosen for the test. In other words, to achieve a sample which was nearly representative of the population, the researchers selected children from the high, low and mid-range strata of the baseline scores. They also tried to balance the gender composition of the sample.

The Drawing test was administered to six children at a time, by one of the research team or a specially trained assistant. It was, therefore, possible for the research team to test all the intervention and control children. This test assessed children’s ability to predict positions taken by liquid levels (horizontal) and plumb-lines (vertical) in different situations.