group bias for households that responded in all eight interviews. An analysis of rotation group bias in Canada and the U ….K. reveal no rotation group bias in Canada and a modest and declining bias in the U.K. There is not a "Heisenberg Principle" of …

group bias for households that responded in all eight interviews. An analysis of rotation group bias in Canada and the U ….K. reveal no rotation group bias in Canada and a modest and declining bias in the U.K. There is not a “Heisenberg Principle” of …

group bias for households that responded in all eight interviews. An analysis of rotation group bias in Canada and the U ….K. reveal no rotation group bias in Canada and a modest and declining bias in the U.K. There is not a "Heisenberg Principle" of …