When performing psychological research in children, a researcher's primary consideration must be 1.) The use of proper research design
2.)Research ethics
3.)Future ability to publish the study
4.)The size of the sample

Ladonna is overweight and loves fast food. which is the best diet for ladonna to adopt? a. a diet high in protein and low in fat and sugar b. a diet high in calcium and low in fiber c. a diet high in fiber and low in fat and sugar reset next