NCCER Research Methods & Evidence-Based Practice 2

Question 1

When a homeowner asks you to use a specific product you've never worked with, what is the best first step?

Accepted Answer

Review the manufacturer's technical data sheet before starting

Answer

Manufacturer technical data sheets provide critical application, safety, and performance information needed before using an unfamiliar product.

Question 2

Which organization publishes the National Electrical Code (NEC) used as the primary reference for residential electrical standards?

Accepted Answer

NFPA

Answer

The National Fire Protection Association (NFPA) publishes the NEC (NFPA 70), which is the standard for electrical installations.

Question 3

A handyman notices that a repair technique he learned 10 years ago is now contradicted by current NCCER curriculum. He should:

Accepted Answer

Update his practice to follow current evidence-based standards

Answer

Evidence-based practice requires updating methods when current authoritative sources supersede older techniques.

Question 4

What does the term 'load-bearing' mean in the context of construction research and planning?

Accepted Answer

A structural element that supports the weight of the structure above it

Answer

Load-bearing elements transfer structural loads from upper floors or roof to the foundation and cannot be removed without structural consequence.

Question 5

Which type of source is considered most authoritative when researching proper fastener selection for a deck project?

Accepted Answer

The IRC (International Residential Code) and fastener manufacturer specs

Answer

The IRC sets minimum code requirements and manufacturer specifications provide tested performance data — both are authoritative primary sources.

(NCCER) National Center for Construction Education and Research Certified Handyman Practice Test