Bibliography (10):

1. https://osf.io/rhfsk/

2. Deliberate practice: Is that all it takes to become an expert?

3. The role of deliberate practice in expert performance: revisiting Ericsson et al 1993

4. Testing Assumptions of Deliberate Practice Theory Relevance, Effort, and Inherent Enjoyment of Practice with a Novel Task: Study II

5. Testing Assumptions of Deliberate Practice Theory, Relevance, Effort, and Inherent Enjoyment of Practice on a Novel Task

6. Practice Does Not Make Perfect: No Causal Effect of Music Practice on Music Ability

7. A Comparison of Perceived and Observed Learning From Professional Development: Relationships Among Self-Reports, Direct Assessments, and Teacher Characteristics

8. Wikipedia Bibliography:

   1. Practice (learning method) § Deliberate practice  :

      https://en.wikipedia.org/wiki/Practice_(learning_method)#Deliberate_practice

   2. Meta-analysis

   3. Variance