Which of the following actions can lead to a high turnover rate according to HR best practices?

Not providing clear communication about job expectations can lead to a high turnover rate because it creates confusion and uncertainty among employees. When employees are unsure about their roles, responsibilities, and what is expected of them, it can lead to frustration and disengagement. This lack of clarity may result in employees feeling unprepared for their tasks and less motivated to align with the organization's goals. Consequently, if employees do not feel confident in their position or do not understand how they contribute to the team's success, they may choose to leave the organization in search of a role that provides clearer expectations and support.

In contrast, offering competitive salaries, having a robust onboarding process, and encouraging professional development opportunities are all practices that generally foster employee satisfaction and retention, contributing to lower turnover rates.