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c OCT -09 -1996 15:23 BRIAN M OLSEN Policy Analysis July 1, 1982 Page 7 Paper till 612 286 2174 P.11 1V. RESULTS Arciiiia value inereas Tables 1 and 2 st t e average increase in assessed value for each control block and each group home block. Although differences were found when the assessed value increase for group home blocks was compared with the increase for control blocks, none of the differences was statistically different (p <45). Mean percent increase in assessed value ranged from 9% - 50% for group home blocks and from 9.7% - 49t for control blocks. However, as Table 2 details, the differences are not all in the same direction, in five instances, the mean percent increase in'assessed value was higher fn the group home neigh- borhood. Also note that the standard deviations vary substantially which !Ay indicate that a few extreme cases are artificially affecting the mean value for a specific block. However, an inspection of the median percent increase demonstrated that median increases in assessed value for group medians. home blocks did not vary substantially from the corresponding control block Overall, the mean percent increase for houses in group home blocks was 25.9% while all houses in control blocks experienced an average 26.7% increase in assessed value. Number of transactions ' A though t e sample included 220 houses in group home blocks and 247 houses in control blocks, only 75 property transactions were recorded during the year preceding and following establishment of a group home. These 75 trans- actions were almost evenly divided between group home blocks (48%) and con- trol blocks (52 %), which seems to indicate that group homes do not cause excessive numbers of transactions. The analysis of these transactions found that for group home blocks, 49% occurred in the year before the group home was established and 51% occurred after the home was established. In control blocks, the figures were 36% and 64% respectively. Again, the timing of transactions seems unrelated to the establishment of a group hone. V. DISCUSSION UUSSION This study confirms the results of earlier research on group home impact an the, surrounding neighborhood. Changes in property values are not rela- ted to the presence of a group home in the block. Similarly, neither the number nor the timing of property transactions in a neighborhood has any- thing to do with the establishment of a group home. While the results of this analysis unequivocally support this conclusion. there are limitations to this data. first, assessed value may be an The median is the value above which and below which half the values fall. The median is not distorted by extremely large or small values. OCT- 07 -1956 15:45 6126256619 Page 16 92% P.11