The "Learn to Think" (LTT) Intervention Program was developed for raising thinking abilities of primary and secondary school students. It has been implemented in more than 300 schools, and more than 200,000 students took part in the experiment over a 10-year span. Several longitudinal intervention studies showed that LTT could promote the development of students' thinking ability, learning motivation, and learning strategy as well as raise academic performance in primary schools. This article describes a study of the influence and the delayed effects of LTT on the scientific creativity of secondary school students. One hundred and seven students were selected from a secondary school, 54 of them participated in the LTT every 2 weeks and the rest had not. The intervention lasted 2 years, and the delayed effect was explored half a year after terminating the intervention. The Scientific Creativity Test for Secondary School Students was used four times from pre-test to delayed post-test. The results indicated that the LTT did promote the development of scientific creativity of secondary school students, and the effects on the scientific creativity were not necessarily immediate, but tended to be long-lasting.

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A curriculum for teaching thinking based on a structured theoretical model that combines elements of out-of-context and infusion methods has been shown to have long-term far transfer effects on students' thinking ability and academic achievement. More work is needed to meet the needs of a wider range of abilities.

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Previous research has suggested that ideas generated late in the creative process might require more executive control than those generated earlier. This in turn leads to the prediction that cognitive inhibition might play one role early in the process but a different role late in the process. The present investigation tested this prediction using a test of creative problem finding. Low cognitive inhibition was expected to facilitate an associative mode of processing, whereas high cognitive inhibition was expected to enable a deliberate, systematic mode of processing. An experiment involving 70 undergraduate students indicated that individuals' cognitive inhibition was correlated with fluency and flexibility, but not originality, on the problem-finding tasks. An interaction indicated that low cognitive inhibition enhanced originality initially, but later in the process, high cognitive inhibition was beneficial. Limitations of this investigation and future directions are explored.

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