Employee Training evaluates the level of organizational effectiveness. The objective of this study was to conduct an investigation on the effects of employee training on organizational effectiveness of selected private banks in Guji Zone, Ethiopia basically focused on three purposively sampled towns namely Adola Woyyu, Shakkiso and Negelle in 2022. The study had TNA (Training Need Assessment), TD (Training Design) and TDS (Training Delivery Style) independent variables while OE (organizational effectiveness) was dependent variable. The study used cross sectional survey research design and quantitative approach as it was an explanatory type. The study sampled 315 employees through Simple random sampling and Cochran, 1977 sample size determination formula were employed while 69 managers were sampled with judgmental techniques from private banks in study area. The researcher used five point likert scale type of questionnaires to collect primary data and distributed to 384 total respondents at which 358(93.2%) questionnaires paper was returned and used for analysis. The data was analyzed and presented using SPSS 20 with AMOS version 23 while reliability was checked by Cronbach Alpha and composite reliability and validity was tested with convergent validity by AVE (Average variance extracted) from factor analysis. Finally the researcher developed the path model analysis and pointed out that TDS and TNA statistically significant positive direct effect on OE while TNA and TD has significant positive mediating effect on OE through TDS. TNA and TD had covariance relationship. The study stated conclusions and forwarded recommendations.

Keywords: Training Needs Assessment, Training Design, Training Style, Organizational Effectiveness, and Private Banks