Barkley & Associates has a long track record in NP certification review. Its Family NP Home Study Package comes in Essentials, Premium and Ultimate tiers, with audio, video chapters and a home study exam for three months, and it sells live courses and webinars separately for those who prefer instruction.
Barkley genuinely offers diagnostics: Premium includes one and Ultimate three 100-item Diagnostic Readiness Tests, each followed by remediation. Barkley doesn't advertise a pass prediction or adaptive plan, so the tests show your gaps at fixed points and you plan the weeks between them yourself.
With Edureify, the diagnostic is where the loop starts: it maps you across patient assessment, diagnosis, and treatment planning, the roadmap adjusts daily, and the Readiness Score and ready-by date keep moving with your results.