According to quantitative changes in an infant's abilities to organize and manipulate information represent the hallmarks of cognitive development.

The answer is "information-processing approaches".

The information processing approach depends on various presumptions, which includes data made accessible by the environment is handled by a progression of preparing frameworks. these preparing frameworks change or modify the data in methodical ways, the point of research is to indicate the procedures and structures that underlie psychological execution and the data preparing in people takes after that in PCs.