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. 2015 Apr 7;2015(4):CD002892. doi: 10.1002/14651858.CD002892.pub5

Yamagishi 2008.

Methods RCT, Japan
Participants 60 shift work nurses
Interventions 1) Experimental: Web‐based career identity training: 1 60‐minute training session that covered the definition of career identity, cognition of participants' own career identity, characteristics of nurses' career identity and career goal management and planning.
 2) Control: No intervention
Outcomes Brief Job Stress Questionnaire
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk "The 60 participants were randomly allocated into the intervention and control groups by the hospital" (p. 191)
Allocation concealment (selection bias) Unclear risk Not reported
Blinding (performance bias and detection bias) 
 All outcomes High risk Not possible, self report
Incomplete outcome data (attrition bias) 
 All outcomes High risk 60 nurses were randomised to intervention and control and after 3 weeks at post‐intervention measurement only 36 (60%) remained
Selective reporting (reporting bias) Low risk All outcomes reported
Other bias Unclear risk We did not find any indications of other sources of bias