Scale Development and Validation (EFA, CFA, Reliability)

Build and validate a measurement scale, from item pool to factor structure

What you get:
- Basic: Item pool and content-validity checklist; Pilot-test plan and rating rubric
- Standard: everything in Basic plus EFA with factor loadings and cross-loading review; Reliability and item-total analysis
- Premium: everything in Standard plus CFA, convergent and discriminant validity; Scale-development methods write-up with APA tables

Scope limits:
- Basic: up to 30 items
- Standard: up to 60 items
- Premium: up to 100 items

What to provide when ordering:
- Construct definition and literature
- Data file for the pilot or main sample
- Target population description

Limits and responsibilities:
- All references, figures and facts must be verified by you before use
- Remove personally identifying information from data before submitting
- Work beyond these limits or extra revisions is quoted separately

After ordering, submit the required details and files in the My Services section of your account. Delivery files appear there when the work is done, and you can request revisions if needed.

• Delivery on time
• Direct messaging
• Confidentiality assured