This study was carried out to determine the effect of workplace conditions on employees’ job performance in Cocoa Research Institute of Nigeria, Ibadan. Stratified sampling techniques were used to select one hundred and thirty-nine (139) respondents through a structured questionnaire. Data were analyzed using descriptive and inferential statistics. Findings revealed that the mean age of respondents was 43.1years,60% of the respondents were male and 69.4% of the respondents were married. Maj...