Vorlage von insgesamt 16 Ausgaben der Zeitschrift REVUE unddetaillierte Beurteilung der einzelnen Beiträge durch denBefragten. Demographie: Alter (klassiert); Geschlecht;...
In the mid-1960s, Testologen AB in collaboration with a group of advertisers, introduced a new way of investigation, where data about the target groups - socio-economic data, interests, purchasing hab
In the mid-1960s, Testologen AB in collaboration with a group of advertisers, introduced a new way of investigation, where data about the target groups - socio-economic data, interests, purchasing hab
In the middle of the sixties Testologen AB, in cooperation with a group of advertisers, introduced a new way of investigation where data about the target groups, i.e. interests, consumer habits, posse
