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Data Collection Sources of Data
Primary
Secondary
Selection of variables
Validation of data/variables
Qualitative
Quantitative
Data Entry
Content validity
Theoretical measurement/Theoretical
construct
Theoretical validity
Convergent validity
Representative validity
Discriminant validity
Reliability of data/variables Inter-rater reliability
Test-retest reliability
Inter-method reliability
Internal consistency reliability
Data management
Identification of MV and
replacement mode
Identification and
removal of outliers
Selection of real tests Research objectives/questions
Selection of samples/cases/observation/subjects
Sampling techniques
& sampling procedures
Flow of Ordinary Research Process(FORP)
Note: MV refers to missing values
Qualitative tests
Quantitative tests

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Flow of ordinary research process

  • 1. Data Collection Sources of Data Primary Secondary Selection of variables Validation of data/variables Qualitative Quantitative Data Entry Content validity Theoretical measurement/Theoretical construct Theoretical validity Convergent validity Representative validity Discriminant validity Reliability of data/variables Inter-rater reliability Test-retest reliability Inter-method reliability Internal consistency reliability Data management Identification of MV and replacement mode Identification and removal of outliers Selection of real tests Research objectives/questions Selection of samples/cases/observation/subjects Sampling techniques & sampling procedures Flow of Ordinary Research Process(FORP) Note: MV refers to missing values Qualitative tests Quantitative tests