TABLE 2.

Search strategy outlined using PICO.

	Search modes—Boolean/Phrase Interface—EBSCOhost Research Databases ERIC, CINAHL plus with full text and Medline	Result	Explanation
S1	TI ((nurse OR nursing OR midwifery OR midwife)) OR AB ((nurse OR nursing OR midwifery OR midwife))	83,244	These terms were chosen to target the population
S2	TI ((educat* OR program*OR train* OR graduat* OR clinical OR competen* OR student OR undergraduate OR preregistration OR "pre‐registration" OR baccalaureate OR prelicensure OR "pre‐licensure")) OR AB ((educat* OR program* OR train* OR graduat* OR clinical OR competen* OR student OR undergraduate OR preregistration OR "pre‐registration" OR baccalaureate OR prelicensure OR “pre‐licensure"))	979,778	These terms were chosen to target the education programmes' context
S3	TI ((self‐efficacy OR “self efficacy”)) OR AB ((self‐efficacy OR “self efficacy”))	16,553	These terms were chosen to target the main concept
S4	(S1 AND S2 AND S3)	723	These terms were chosen to target the empirical literature in a nursing education context involving self‐efficacy as a major concept or variable