Búsqueda de LIBROS DEL AUTOR: jelke bethlehem

1 resultados

jelke bethlehem Eliminar filtro Quitar filtros
  • UNDERSTANDING PUBLIC OPINION POLLS
    ebook
    UNDERSTANDING PUBLIC OPINION POLLS
    JELKE BETHLEHEM
    Polls are conducted every day all around the world for almost everything (especially during elections). But not every poll is a good one. A lot depends on the type of questions asked, how they are asked and whether the sample used is truly representative. And these are not the only aspects of a poll that should be checked. So how does one separate the chaff from the wheat? That...

    $1,800.00

    Ver detalle