Populations and topics of cTRAIN studies, by industry sector (click for knowledge and behavior increases):
Population – Training Topic – Sample size (N); knowledge/behavior effect size (d)
- Agriculture
• Orchard workers – ladder safety – N=52; pre>post knowledge change (graph right) and effect size (d)=1.50; behavior change (d)=0.70-1.40 *
• Vineyard workers – safety/skills – N=48; pre>post knowledge effect size (d)=1.30-2.00
• Vineyard workers – Worker Protection Standard – N=61; pre>post knowledge effect size (d)=0.90 *
• Vineyard workers – supervisor skills – N=10; pre>post knowledge effect size (d)=1.16 *
• Pesticide applicators – pesticide application knowledge – N=14 - Construction
• Drywall finishers – ergonomic work practices – N=8; pre>post knowledge effect size (d)=1.28; behavior change effect size (d)=1.11
• Street maintenance and water bureau workers – supervisor training – N= 528
• Construction supervisors and employees – N = 35 - Transportation
• Truck drivers – safety and wellness (TWH) – N=29; pre>post knowledge effect size (d)=2.69 *
• Truck drivers – Total worker health – N = 229; pre>post knowledge effect size (d)=1.95 - Services
• Food service workers – slips and falls – N=76; pre>post knowledge (graph right) effect size=2.25; behavior change effect size (d)=0.89 *
• Grocery store managers – work-life balance – N=39; pre>post knowledge effect size (d)=1.23 *
• Bank managers – domestic violence at work – N=21; pre>post knowledge effect size (d)=3.15 * - Government
• City government managers – domestic violence at work – N=31; pre>post knowledge effect size (d)=2.47 *
• County government managers – FMLA/OFLA – N=793; pre>post knowledge effect size (d)=2.00 *
• County Government Managers – intimate personal violence – N=793; pre>post knowledge effect size (d) =2.18 *
• Parks and Recreation workers (city parks) – N = 178; knowledge effect size (d) = 0.4 *
• Supervisors of Veterans in 35 organizations – N ~ 925 - Education
• Graduate students – laboratory safety – N=28; pre>post knowledge effect size (d)=3.51 - Diverse Industries
• Supervisors in 27 different companies – supervisor training.
Reaction measures were collected anonymously in these population samples at the end on training (not all participants completed the survey; no collected data were omitted), as shown below (* = published).
Agriculture
Construction
Services
Government (graph from same sample as the table – county government managers in Oregon)
