- IB
- AHL 4.12—Data collection, reliability and validity tests
Video coming soon
Question Type 1: Assessing the quality of questioning
Question Type 2: Fixing the line of questioning for poor questions
Question Type 3: Identifying the appropriate variables for a given contextual information
Question Type 4: Choosing the appropriate data given contextual information
Question Type 5: Categorizing data to ensure a specific expected frequency
Question Type 6: Performing the chi-squared test for data categorization such that the expected frequency is at least 5
Question Type 7: Determining the degree of freedom for chi-squared goodness of fit tests
Question Type 8: Finding degree of freedom and performing chi-squared goodness of fit test
Question Type 9: Determining whether certain issues pertain to validity or reliability
Question Type 10: Determining the type of reliability
Question Type 11: Determining the type of validity