It’s funny how much we talk about content frequency, retweet ratios, comments, etc. as key determinants of influence. What really matters in interactions with people, particularly as a content creator, is consistency.
Not that content, retweets and interactions aren’t important. They are (depending on your goals).
They’re just public and measurable, making them easily quantified. Go Klout.
From a psychological perspective, when trying to develop influence and loyalty we need consistency in those acts. We trust people that deliver reliable consistent acts, and are even lulled into trusting them without thinking about it (groupthink).