Which of the following are examples of factors that contributed to increased worker productivity during the Hawthorne studies?Multiple select question.Management respect and interactionWorker involvement in managerial decisionsMore comfortable lighting levelsSocial group membership and informality

The factors that contributed to increased worker productivity during the Hawthorne studies include:

1. Management respect and interaction: The Hawthorne studies found that when management showed respect and interacted with workers, productivity increased. This is because workers felt valued and appreciated, which motivated them to work harder.

2. Worker involvement in managerial decisions: The studies also found that when workers were involved in decision-making processes, they were more invested in their work and thus more productive. This is because they felt a sense of ownership and responsibility for their work.

3. More comfortable lighting levels: The physical environment, including lighting levels, was found to have an impact on worker productivity. When the lighting levels were comfortable, workers were able to perform their tasks more efficiently, leading to increased productivity.

4. Social group membership and informality: The Hawthorne studies found that social factors, such as being part of a group and having informal interactions with colleagues, also contributed to increased productivity. This is because these factors created a positive work environment, which boosted worker morale and motivation.