"Older people were much more likely to be inconsistent in their decisions," said the study’s author, Dr. Agnieszka Tymula. Education and intelligence did not seem to make a difference, even healthy adults aged 65 and older with numeracy skills and IQ levels similar to their younger peers had less ability to make rational decisions. The older age group was found to be the most risk-seeking group of all.
Proportion of violations of first-order stochastic dominance. Proportion of choice situations in which subjects changed their mind, that is, out of the same choice set they chose both a safe option and a risky option at least once.
As we all known, human cognitive function function improves when young and declines across the later aged. The graph shown that age of 65-90 were strikingly inconsistent in their choice comparing with the 3 other groups of age. I am not intend to blame nor to condemn these 2 statements by Tun which contradict each other.
In April 2015, Tun stated his concerned and loved for Barisan National:
In November 2015, Tun statement totally opposite the one he said before that Barisan Nasional shouldn't reign in power forever:
It's ok, we understood you Tun.........