Prof. Ray Schroeder explains in his instructional design site (https://sites.google.com/site/instdesignonline/), social constructivist approaches have been shown to be successful in online learning. Some of the major principles of social constructivism are:
Encourage your students to engage in random acts of kindness throughout the year! The "Classroom Kindness Challenge" is perfect for kids of all ages and will really help students focus on what is important. A great way to build character and classroom community!This product is a non-seasonal version of my Christmas Kindness Countdown.
Here is a website on Social Constructivist Theories. This website includes theorist like Vygotsky and Piaget. This also includes General Implications of Social Constructivism, Types of Instruction of Social Constructivism and Examples of Social Constructivist Classroom Activities
Here is a blog I made regrading social constructivism and science. On this blog there is description on what social constructivism is and examples of how to incorporate it into the classroom. There is also other social constructivism teacher's blog's you can check out.