J. te Nijenhuis
- Intelligence in Bali - A case study on estimating mean IQ for a population using various corrections based on theory and empirical findings
- Volume | Issue number
- 40 | 5
- Pages (from-to)
- Document type
- Faculty of Social and Behavioural Sciences (FMG)
- Psychology Research Institute (PsyRes)
A high-quality estimate of the mean IQ of a country requires giving a well-validated test to a nationally representative sample, which usually is not feasible in developing countries. So, we used a convenience sample and four corrections based on theory and empirical findings to arrive at a good-quality estimate of the mean IQ in Bali. Our study used N = 50 Balinese (age between 7 and 46 years, M = 16.86) who took the Standard Progressive Matrices. Correcting for caste membership, school attendance, age distribution, and FLynn-effect gains resulted for the entire Balinese population in an IQ of 79, for adults of 75, and for children of 84. The validity of results is discussed.
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