The assessment of batsmen in cricket is largely based upon their average score: a Test average of 50 or over provides a rule-of-thumb for distinguishing great players from the merely good; Donald Bradman, with the highest Test average ever achieved (99.94), is generally regarded as the greatest...

This paper provides an international perspective to the question of parental satisfaction by analysing a rich, and relatively recent, set of data from the Programme for International Student Assessment's 2006 survey of the knowledge and skills of 15-year olds (hereafter, PISA 2006). A new...