Recognizing a large class of frequently observed symptoms describes the approach

One of the advantages of single-case designs is that the designs

a) Avoid all of the problems of statistical evaluation of the data b) Rule out threats to external and construct validity especially well c) Permit investigation of topics that could not be studied or easily studied in group research d) Can readily determine whether the results of experimental intervention depend on subject characteristics

Discuss three educational principles derived from Piaget’s theory that continue to have a major impact on both teacher training and classroom practices, especially during early childhood

What will be an ideal response?