This study found that between five and fifteen hours of instruction resulted in enormous gains in students' knowledge about nutritional programs. However, between  2  BIS Review 39/2003  twenty-five and fifty hours of instruction were required to bring about any change in student behavior and attitudes, and even with this amount of instruction, the effects on attitudes were very small.
When there was mounting selling pressure on the Hong Kong dollar, the Hong Kong Monetary Authority, under the leadership of Chief Executive Yam, adopted various measures to further strengthen the currency board system. The decisive actions remain vivid in my mind.