Term
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Definition
| direct observations or quotes from subjects, field notes or source data |
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Term
| Tactical qualitative analysis |
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Definition
| is an inductive approach that identifies, describes and forecast crime series based on police data. |
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Term
| The goals of tactical analysis |
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Definition
| identify crime series, identify leads, used temporal/spatial analysis to forecast and locate similar crimes after arrest of offender(s). |
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Term
| Strategic qualitative analysis |
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Definition
| is to develop strategies for long-term trends or crime patterns. examples include, COP, SARA and POP |
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Term
| Administrative qualitative analysis |
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Definition
| is used for budgetary and political analysis. |
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Term
| Qualitative research methods |
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Definition
| document analysis (primary, secondary, axillary), observer participation, participant observation and open-ended interviews. |
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Term
| Qualitative inductive methods |
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Definition
| report review, inclusion/exclusion of data, hotspot analysis, media research. |
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Term
| Qualitative deductive methods |
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Definition
| pulling CFS stats based on hotspots. Taking broad data and narrowing it down to specific issue. |
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Term
| Crime stats are made up of |
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Definition
| crime reports, arrests, and calls for service. |
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Term
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Definition
| is dynamic, but only includes data that is reported. |
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Term
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Definition
| data changes rapidly as cases are worked, exact date is not always known and each agency may used different coding standards. |
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Term
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Definition
| crime, arrest and clearances. |
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Term
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Definition
| limited crimes defined by NIBRS/UCR criteria. |
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Term
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Definition
| span of data distribution for a variable with a max and min value |
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Term
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Definition
| value that occurs most frequently, is numeric or nominal and used in crime analysis to identify most CFS, beat comparisons. |
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Term
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Definition
| middle score, 50th percentile, used instead of average. |
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Term
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Definition
| average. It is statistically tested but sensitive to outliers. |
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Term
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Definition
| measure of dispersion around the mean |
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Term
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Definition
| taking random sample of data to estimate character of population. Uses central tendency, but can be used to generalize all crime and may be bias. |
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Term
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Definition
| measuring if variables are related and what is the probability the incidents are by chance. |
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Term
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Definition
| compares mean single variable varies from constant (avg # of reports per officer based on pre-selected amount) |
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Term
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Definition
| compares means of two variables for single group. (crime before and after a time period) |
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Term
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Definition
| compares means two groups to determine if different. It needs to be randomly assigned, which usually isn't the case in law enforcement data comparisons(test average response time by each CFS type) |
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Term
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Definition
| tests the level of association of variables or extent/direction they are related in a linear fashion. Doesn't indicate causality and can be influenced by a third variable. |
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Term
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Definition
| Pearson's "r" (continuous)and Spearman (ordinal |
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