<P> Lasswell 's model of communication ( also known as Lasswell 's communication model ) describes an act of communication by defining who said it , what was said , in what channel it was said , to whom it was said , and with what effect it was said . It is regarded by many communication and public relations scholars as `` one of the earliest and most influential communication models . '' The model was developed by American political scientist and communication theorist Harold Lasswell in 1948 while he was a professor at Yale Law School . In his 1948 article `` The Structure and Function of Communication in Society '' , Lasswell wrote : </P>
<P> Lasswell 's model of communication ( also known as Lasswell 's communication model ) describes an act of communication by defining who said it , what was said , in what channel it was said , to whom it was said , and with what effect it was said . It is regarded by many communication and public relations scholars as `` one of the earliest and most influential communication models . '' The model was developed by American political scientist and communication theorist Harold Lasswell in 1948 while he was a professor at Yale Law School . In his 1948 article `` The Structure and Function of Communication in Society '' , Lasswell wrote : </P>
who says what in which channel to whom with what effect
who says what in which channel to whom with what effect
Lasswell 's model of communication ( also known as Lasswell 's communication model )
Lasswell 's model of communication ( also known as Lasswell 's communication model )