Seligman 2009 - randomly assigned 347 9th graders to PPC or control class, students & parents did questionnaire, found PPC students were more cooperative & had better social skills
Seligman admitted further research is needed to ensure such programmes are 'effective with students from a variety of socio-economic and cultural backgrounds
Adding positive-ism to the curriculum means other essential subjects will need to be dropped, society may end up paying more for students to leave school with fewer academic achievements
Research followed 6,000 men & women aged 25-74 for 20 yrs, found those with high levels of 'emotionalvitality (enthusiasm/hopefulness/ engagement/emotional balance) had reduced risk of coronary heart disease
Research findings support the concept of 'choose a job you love, & you will never have to work a day in your life' - this is not a new idea, has positive-ism offered anything new?
Unhappiness & stress has high costs to businesses & economy in general, e.g. staff sickness & staff turnover estimated to cost UK economy £26 billion p/year