Marcus Buckingham has a great suggestion. Get a piece of paper...have 2 columns
Most productive Members in my Team Members I spend the most Time with
Then in each column rank your team under both headings. Afterwards, draw lines between where people sit on each column. If you are spending too much time with the people not performing....change! Your stars should not be neglected....Too often our time is spent in the underperformers, the ones who constantly break the rules...that is wrong, look after your stars before they feel neglected.