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Chapter 9 THE NEIGHBORHOODS: 1970 - 2000 COMPARISONS
Previous sections of this report have been concerned with establishing the broad pattern of the distribution of social indicators in the city. The authors feel that the concept of socioeconomic status, especially when it is supplemented with the other kinds of data available, is a valuable social indicator for needs assessment purposes. The maps of the four social areas show the broad pattern of the city's socioeconomic structure.
In the first edition of this study (1974) care was taken to point out the limitations of "ecological analysis" - the utilization of statistics aggregated at the census tract, neighborhood, or social area level. It was pointed out that this type of analysis is subject to the "ecological fallacy", the attribution of statistical averages to all the diverse individuals in a given geographic unit. In the 1970 Neighborhood Descriptions, therefore, the reader was informed about the relative diversity or homogeneity of each neighborhood. This exercise will not be repeated here. The reader is hereby referred to the first edition for that discussion. The focus of the following narrative will be to outline changes in the neighborhoods that have occurred since 1970, and especially the 1990 - 2000 period. Both Appendix II and III, as well as Table 10 have been used for the neighborhood descriptions.
Small changes in 1970 - 1980 SES index and SES rank for a tract or neighborhood may be accidental. These accidental changes are caused by the fact that tracts and neighborhoods were added and deleted. Example: Linwood was a new tract and neighborhood in 1980. Its insertion on the list of tracts and neighborhoods caused all tracts and neighborhoods with a higher SES index to have a slightly higher SES index. Gains or losses of less than six points should not be regarded as significant.
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