Scanned using Book ScanCenter X [a Screenshot X + X *Tab Capture | chrome-extension://ebkibbjamcljmddijijifachpgphldll/screenshot.html?imageld=1 C . .. Other bookmarks 100% 88 of 103 E able at a fline. If TOT example 162 Chapter 6 Single System Research Designs 163 Burglaries in the Rocksprings Neighborhood Figure 6.2 Pregnancy Rates per 1,000 Females 10 to 17 Years of Age, Figure 6.1 Hypothetical County O 15 40 10 30 Number of Burglaries 20- N Pregnancy Rate 9 15 10- JEMAMJ JASONDIJEMAN. JASOND 2003 2004 Year and Month + 1992 1993 1994 1995 1896 1997 1998 1999 2000 Yaar Figure 6.1 could be said to present an example of an A design, data gathered during a period of time without any special intervention being applied. You can see that an A design lends itself quite naturally to the processes of a needs assess- increased from about 3 percent to near 3.8 percent over this nine-year period. You do ment, that is, "to verify that a problem either currently being ignored or treated additional interven- not need the statistical expertise of a rocket scientist to look at Figure 6.2 and deter