Which of the following statements provides empirical support for the conceptual argument that Organizational Behavior employee$-$centered practices have a positive impact on the overall performance of an organization?

Research findings indicate that IPO firms that valued $"$OB$"$ practices had a $19\%$ higher survival rate than IPO firms that did not value $"$OB$"$ practices.

All other things being equal, research indicates that humans are generally attracted to people that are similar to themselves.

Duncan, a long$-$time seasoned executive, believes that employees will work harder if they are happier.

Turnover can be voluntary or voluntary

Customers at local restaurants are complaining about poor service.