Hi I don't think you need the date twice and I wouldn't try to put an apostrophe-s after the date in that way. In fact, you don't need to mention them twice by name: - Obegi and Berant (2009) performed a regression analysis. Their research suggests secure attachment is associated with consistent and attuned caregiver behaviors that might contribute to the development of adequate intimacy skills.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.