Which of the Following Statements Is/are True About Case-Control Designs?​

question 1

Multiple Choice

Which of the following statements is/are true about case-control designs?​

• A) ​They are rarely feasible.
• B) Data must be collected at multiple points in time.​
• C) Retrospective data are collected about past differences that might explain differences in outcome.​
• D) We can usually be highly confident about their internal and external validity.​
• E) ​We can usually be highly confident about the direction of causal influence.

---

Definitions:

Significant

In statistics, refers to results that are unlikely to occur by chance alone, indicating a meaningful difference or relationship.

Readiness Assessment

An evaluation designed to determine whether individuals or systems are prepared to move forward with a new project, program, or learning.

Learning Disability

A neurological disorder that affects a person's ability to read, write, spell, or do math, despite having at least average intelligence.

Intellectual Disability

A disability characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers a range of everyday social and practical skills.