| |
| | ICA Info Systems: Grabe et al. |
 | | In fact, over the past 30 years scholars have documented the existence of a knowledge gap: people with lower educational backgrounds are often disproportionately uninformed about public affairs issues even though their exposure to the mass media, especially television, is typically greater than people with higher educational backgrounds. |
 | | Yet, without exception, research on the knowledge gap hypothesis employs a survey approach to examine the relative size of correlations between education and variables such as knowledge, attention, interest, and channel use (radio, television, newspaper) of audience members. |
 | | This hypothesis was tested both by looking at the percent accuracy of the two groups on the recognition test and by using a signal detection analysis of the verbal recognition data (see Table 1). |
| astro.temple.edu /~lombard/InfoSys/99/Grabe.htm (3925 words) |
|