A researcher might test the influence of environment on cognitive development by taking newborn children away from their parents and assigning half of them to a rich cognitive environment and half to a deprived cognitive environment. What is wrong with this experiment?

the experimental method violates ethical standards

Explanation:

Experimental method: In psychology, the term experimental method is defined as the research method that is being conducted having a scientific approach, in which a particular set of variables are held constant whereas another variable set is being evaluated as the subject or participants of an experiment.

This research method is considered to be a quantitative research method. The experimental research method depends on the random assignment, manipulation of variables, and the controlled methods to test a particular hypothesis.

The ethical issues involve confidentiality, informed consent, respect for privacy, etc.