Rating of Perceived Effort By Szifra BirkeMay 20, 2014articles, skill buildingchallenges, endurance, goals, perceived effort, persistance, practice Read More
Getting Started By Szifra BirkeApril 21, 2014articlesbehavior change, change, goals, habits, momentum, motivation, resistance, starting Read More
If Only You Had By Szifra BirkeAugust 16, 2013articles, skill buildingbehavior change, goals, practice, self-coaching, self-improvement, skill building Read More