IB Mathematics Applications & Interpretation Topic AHL 4.12—data Collection, Reliability and Validity Tests (HL) covers syllabus content. Use these notes, questionbank, videos, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
Practice
What this topic covers
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