premise: Psychologist Rosalind Barnett and journalist Caryl Rivers conducted extensive interviews with 300 dual-earner couples in the Boston area and found that despite stress at work and at home, most were highly satisfied and found child rearing to be both manageable and pleasurable.
hypothesis: Most dual-earner couples in Boston are highly satisfied because there is a good school system there, so children are well taken care of while they are at work.