chapter 14 Flashcards
1
Q
Advantages of Two-Sample Designs
A
- Population parameters are often unavailable
- Two samples are easier to obtain
- Well designed experimental comparisons can be
constructed to help minimize the number of plausible alternative explanations for results
2
Q
Assumptions for Correlated Samples t Test
A
- Sampling distribution of 𝐷 be normally distributed
- (N ≥ 30 or just assume for this class)
- Participants are the same in each condition or are
matched on a specific variable - IV is nominal and has two levels and DV is interval or
ratio (Likert scales are interval)