Here are few steps, which you can use to increase your effectiveness.
Step 1: Identify Priorities; to identify your job's true purpose, this will help you uncover your most important objectives, so that you can start prioritizing tasks effectively
Step 2: Adopt a Good Attitude; focus on adopting a good attitude at work, and make decisions that intuitively "ring true."
Step 3: Build Essential Skills; One of the best ways of becoming more effective at work is to learn how to manage your time more efficiently
For more detail you can read in this link