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CJUS 3130, Chapter 1 notes

by: Raianna Parker

CJUS 3130, Chapter 1 notes CJUS 3101-001

Raianna Parker
University of Memphis
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About this Document

These are notes from chapter one based on Dr. DuPont slides.
Research methods
Class Notes
Criminal Justice, research methods




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This 3 page Class Notes was uploaded by Raianna Parker on Monday February 1, 2016. The Class Notes belongs to CJUS 3101-001 at University of Memphis taught by DuPont in Spring 2016. Since its upload, it has received 28 views. For similar materials see Research methods in Criminal Justice at University of Memphis.

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Date Created: 02/01/16
Chapter 1: Science, Society, and Criminological Research I. Errors in Reasoning a. Overgeneralization i. What is true in one case, may not be true in all cases b. Selective Observation i. Look at things according to personal beliefs, regardless of fact c. Inaccurate Observation i. We think we see something that didn't occur/perceive the same situation  differently from someone else/miscommunication occur d. Illogical Reasoning i. Draw conclusions from invalid assumptions e. Resistance to Change i. New info fails to change one's mind II. Scientific  Approach a. Att em pts  to  be  different b. Attempts to reduce error i. Is it successful? ii. What factors influence this success/failure? III. Research in Practice a. Descriptive i. Define and describe, count ii. Who? What? Where? When? How many? b. Exploratory i. More info on newly identified areas/concerns ii. What's going on? c. Explanatory i. Cause and effect ii. Why? d. Evaluation i. Effects of intervention ii. See chart below IV. Types of Research Methods a. Experimental i. Used most often in evaluation research 1. Two/more groups 2. Random assignment 3. Assessment of change ii. Quasi­Experimental designs b. Asking questions i. Directly ­ use surveys and face­to­face interviews ii. Indirectly ­ use records to answer questions by extracting specific items of  info c. Participant and other filed observation i. Observe something in its natural environment, as it happens ii. Intensive interviews to obtain in­depth info d. Secondary data i. Content analysis ii. Analysis of data collected for another study/purpose iii. Crime mapping V. Approaches to Research a. Quantitative ­ using numbers to describe social phenomena i. Count events ii. Analyze info with statistical technique b. Qualitative ­ written/spoken words with no direct numerical interpretation i. Interpretation of events observed as they occur VI. Validity a. Measurement ­ measure what we think it measures b. Generalizability ­ conclusions from our study hold true outside limited research  setting c. Causal (Internal) ­ we are correct when we conclude "A" leads to/results in "B"


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