Those not at home: riddle for pollsters
Hilgard, Ernest R.
Those not at home: riddle for pollsters
Contenido: Change in the interview sample from call to call. How results of interviews obtained on later calls affect market data. Effects of late calls on the results of opinion surveys. Tables.
LEY 4144
Those not at home: riddle for pollsters
Contenido: Change in the interview sample from call to call. How results of interviews obtained on later calls affect market data. Effects of late calls on the results of opinion surveys. Tables.
LEY 4144