Bibliography (11):

1. Math items about real-world content lower test-scores of students from families with low socioeconomic status

2. Boosting School Readiness: Should Preschool Teachers Target Skills or the Whole Child?

3. Adaptive working-memory training benefits reading, but not mathematics in middle childhood

4. Do the benefits of chess instruction transfer to academic and cognitive skills? A meta-analysis

5. The cognitive benefits of learning computer programming: A meta-analysis of transfer effects

6. Effects of 3 Years of Piano Instruction on Children’s Academic Achievement, School Performance and Self-Esteem

7. The Effects of Chess Instruction on Academic and Non-cognitive Outcomes: Field Experimental Evidence from a Developing Country

8. Prevention: Necessary But Insufficient? A 2-Year Follow-Up of an Effective First-Grade Mathematics Intervention

9. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Kolkata  :

      https://en.wikipedia.org/wiki/Kolkata

   2. https://en.wikipedia.org/wiki/Delhi  :

      https://en.wikipedia.org/wiki/Delhi

   3. Confidence interval