Presentation on theme: "ATLANTA SNOW/ICE EVENT January 2014 Laura Myers, PhD David Brown, PhD Center for Advanced Public Safety (CAPS) The University of Alabama August 19, 2014."— Presentation transcript:
ATLANTA SNOW/ICE EVENT January 2014 Laura Myers, PhD David Brown, PhD Center for Advanced Public Safety (CAPS) The University of Alabama August 19, 2014
IMPACT Approach to Survey Comparison of Survey Subsets Define the subset of respondents of interest o Example: Respondents who did not know beforehand Perform IMPACT Auto-generates comparison for all variables Since there are literally millions of possible subsets Analysts need to define those that are most useful
Do Warnings Help? Respondents who were not pre-warned Comparison of respondents who had no beforehand knowledge of the storm (red bars) With those who stated that they had beforehand knowledge (blue bars). In the statements made in this section, “they” refers to respondents who stated that they had no beforehand knowledge.
Not as familiar with their children’s emergency procedures.
What Was Your First Source? Respondents whose first source was not TV Comparison of respondents whose first source of information was not TV against those who reported that TV was their first source.. In the statements made in this section, “they” refers to respondents who stated that their first source was other than TV.. Note that TV was the reported first source for the large majority of the respondents.
The red bars had other first source for storm info.
More specific comparison of where news was actually heard.
They are more apt to be males not depending on TV.
The higher education levels are less apt to depend on TV.
They more often feel confident in their preparation.
They reported relatively lower levels of stress.
They were less apt to get stuck on the roadways.
They were more apt to have a car weather emergency kit.
Did You Believe the Threat? Respondents who did not believe Comparison of respondents who did not Believe the threat (red bars) With those who stated that they had believed the threat (blue bars). In the statements made in this section, “they” are the respondents who stated that they did not believe the threat.
They do not seem to have altered their opinions significantly.
Even higher relative proportion (odds ratio) with car damage.
Did Your Children Get Home? Respondents whose children did not. Comparison of respondents whose children did not get home the afternoon of the storm (red bars) with those who stated that their children got home in the normal way (blue bars).. In the statements made in this section, “they” are the respondents who stated that their children did not get home.. Number of respondents children not getting home: 156 Number of respondents’ kids who got home: 218