CEAC Research Methods & Evidence-Based Practice 2

Question 1

Which study design is considered the gold standard for establishing cause-and-effect relationships in accessibility research?

Accepted Answer

Randomized controlled trial (RCT)

Answer

RCTs randomly assign participants to conditions, controlling confounds and establishing causality better than other designs.

Question 2

A CEAC consultant reviews a study where 80% of participants reported improved mobility after a ramp installation. What type of data is this?

Accepted Answer

Self-reported subjective data

Answer

Participant-reported outcomes such as perceived improvement are classified as self-reported subjective data.

Question 3

When critically appraising an accessibility study, which element most directly indicates the internal validity of the findings?

Accepted Answer

Control of confounding variables

Answer

Internal validity depends on how well confounding variables are controlled so observed effects can be attributed to the intervention.

Question 4

A consultant wants to identify all available evidence on door width standards for wheelchair users. Which approach is most appropriate?

Accepted Answer

Conducting a systematic literature review

Answer

A systematic literature review uses explicit, reproducible methods to identify and synthesize all relevant evidence on a topic.

Question 5

In evidence-based practice, after gathering research evidence, what is the next critical step before making an accessibility recommendation?

Accepted Answer

Integrate evidence with client values and clinical expertise

Answer

EBP requires integrating best available evidence with practitioner expertise and the client's individual values and circumstances.

(CEAC) Certified Environmental Access Consultant Practice Test