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QUANTITATIVE RESEARCH METHODOLOGY IN CRIMINOLOGY : VALIDITY IN RESEARCH : CMY3709
- Institution
- University Of South Africa (Unisa)
QUANTITATIVE RESEARCH METHODOLOGY IN CRIMINOLOGY : VALIDITY IN RESEARCH
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STUDENT NAME: REJEANNE COURTNEY ROSSOUW CMY3709 ASSIGNMENT 02: 622292QUANTITATIVE RESEARCH METHODOLOGY IN CRIMINOLOGY
VALIDITY IN RESEARCH
SEMESTER 2
STUDENT NAME: REJEANNE COURTNEY ROSSOUW
STUDENT NUMBER: 56218435
LECTURERS: DR M BARKHUIZEN
MRS M VICTOR-ZIETSMAN
CMY3709: ASSIGNMENT 2 - 622292
EXTENDED DUE DATE: 30 SEPTEMBER 2020
, STUDENT NAME: REJEANNE COURTNEY ROSSOUW CMY3709 ASSIGNMENT 02: 622292
TABLE OF CONTENTS
Page
1. Introduction …………………………………………………………………..1
2. Definition of key concept………………………………………….………..1
2.1. Validity…………………………………………………………………1
2.2. Internal validity………………………………………………………..1
2.3. External validity ………………………………………………………1
3. Internal validity………………………………………………………………..1
3.1.1. Conceptual validity……………………………………………….1-2
3.1.2. Content validity
3.1.3. Inferential validity…………………………………......................2
4. Threats to internal validity……………………………………………………2
4.1. History…………………………………………………………….…..2-3
4.2. Maturation………………………………………………………………3
4.3. Testing response………………………………………………………3
4.4. Instrument decay………………………………………………………3
4.5. Selection bias…………………………………………………………..3
4.6. Mortality………………………………………………………………....3
4.7. Regression to the mean……………………………………………….4
4.8. Selection interaction bias ……………………………………………..4
5. Example of internal validity ……………………………………………………4
6. External validity………………………………………………………………….4
6.1. Types of external validity……………………………………………….4
6.1.1. Population validity…………………………………………………..4-5
6.1.2. Ecological validity……………………………………………………5
7. Threats to external validity………………………………………………………5
7.1. Sampling bias……………………………………………………………..5
7.2. History………………………………………………………………………5
7.3. Experimenter effect………………………………………………………..5
7.4. Hawthorne effect…………………………………………………………..5
7.5. Testing effect……………………………………………………………….5
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