Media effects research :
Sparks, Glenn G.
Media effects research : a basic overview / Glenn G. Sparks. - 4th ed. - Boston, MA. : Wadsworth Cengage Learning, c2013. - xxii, 314 p. : ill. ; 24 cm.
Includes bibliographical references and index.
9781111344450 (pbk.) 1111344450 (pbk.)
Mass media--Social aspects.
Mass media--Research--Methodology.
Media effects research : a basic overview / Glenn G. Sparks. - 4th ed. - Boston, MA. : Wadsworth Cengage Learning, c2013. - xxii, 314 p. : ill. ; 24 cm.
Includes bibliographical references and index.
9781111344450 (pbk.) 1111344450 (pbk.)
Mass media--Social aspects.
Mass media--Research--Methodology.