All of the following are effective ways to manage stress except: Knowing your limitationsAvoiding your problemsManaging your time properlyExercising

To answer the question step by step:

1. Identify the options given:

   • Knowing your limitations
   • Avoiding your problems
   • Managing your time properly
   • Exercising

2. Evaluate each option in terms of its effectiveness in managing stress:

   • Knowing your limitations: This is effective because understanding what you can and cannot handle helps you avoid overcommitting and feeling overwhelmed.
   • Avoiding your problems: This is generally not effective because avoiding problems can lead to increased stress over time as issues remain unresolved.
   • Managing your time properly: This is effective because good time management can help you prioritize tasks, reduce last-minute rushes, and create a more balanced schedule.
   • Exercising: This is effective because physical activity can reduce stress hormones and trigger the release of endorphins, which improve mood.

3. Determine which option is not effective:

   • Based on the evaluation, "Avoiding your problems" is the option that is not an effective way to manage stress.

Therefore, the answer is: Avoiding your problems.