This is a great quote:
Carl Rogers, she said, would have been laughing (happily, that is) had he read the findings we cited documented the lack of differential efficacy of competing treatment approaches. We had, in essence, proved him right!
“It turns out,” OHara wrote, “that Miller, Hubble, and Duncan come to similar conclusions. Carl Rogers was right. After all our forays into the dizzying arcana of paradoxical interventions