Which of the following is another name for a repeated-measures design in developmental research?

• A. Between-subjects design
• B. Longitudinal design
• C. Within-subjects design
• D. Cross-sectional design

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the key terms in the question. A repeated-measures design involves the same participants being measured multiple times under different conditions or over time.
2. Step 2: Recognize that a 'within-subjects design' is another name for a repeated-measures design because it involves the same subjects participating in all conditions, allowing for comparisons within the same individuals.
3. Step 3: Differentiate this from a 'between-subjects design,' where different participants are assigned to different conditions, so comparisons are made between different groups.
4. Step 4: Note that a 'longitudinal design' involves studying the same participants over an extended period, which is related but specifically focuses on changes over time rather than repeated measures in different conditions.
5. Step 5: Understand that a 'cross-sectional design' compares different groups at one point in time, which is distinct from repeated-measures or within-subjects designs.