Which lobe of the brain is most involved in higher-order thinking, such as planning and impulse control?

According to Vygotsky, sociodramatic play may have benefits for ______

a. physical development b. development of the imagination c. development of conscience d. executive functioning

It is most accurate to say that

a. because they are correlational in nature, valid conclusions can never be drawn from quasi-experimental research designs. b. quasi-experimental research will generally have higher internal validity in comparison to true experiments. c. although they will generally have some threats to internal validity, quasi-experiments can sometimes be used to draw inferences about the causal relationships among variables. d. quasi-experiments are less scientific than other types of research designs.