The level of statistical significance is also called the _______________ level

According to widely used criteria for childcare quality, which of the following caregiver-to-child ratios would be best for infants under 12 months?

a. 1:4 b. 1:6 c. 1:8 d. 1:10

According to Vygotsky, ________ is required for cognitive development

a. social interaction b. formal education c. strong parent-child attachment d. emotional self-regulation