Harvard Business School professor Teresa Amabile and her husband, psychologist Steven Kramer, collected nearly 12,000 daily diary entries from 238 employees at seven companies to try to discover what constitutes a great day on the job. Their surprise finding? The single greatest day-to-day motivator—by far—was....

Harvard Business School professor Teresa Amabile and her husband, psychologist Steven Kramer, collected nearly 12,000 daily diary entries from 238 employees at seven companies to try to discover what constitutes a great day on the job. Their surprise finding? The single greatest day-to-day motivatoru2014by faru2014was....

Forget pay rises or work friendships. Here's the one thing that's proven to bring happiness at work