D4.1 Interpreting Reliability. Interpret the interrater reliability and paired t-test results for the ‘visualization test’ and visualization’ scores using Output 7.2. What might be another reason for the pattern of findings obtained besides those already discussed in Chapter 7?
D4.2 Interpreting Validity. If one were to delete one of the 14 items in Output 7.3 based on factor analysis which one would it be? Explain your answer.
D4.3 Interpreting Internal Consistency. Interpret the Chronbach alphas in Output 7.4 a, b, and c. What is the internal consistency reliability? Explain your answer.