21. Southwest archaeologists coordinated the research design and standards, academic supervision, and selection of staff archaeologists. 22. The measurement and operationalization of important constructs is an essential part of these research designs . 23. Research designs such as repeated measurements and longitudinal study are needed to address process problems.24. As of 2015, most research designs are tethered to a much larger separate power source. 25. Research design and participant type explained a small, but statistically significant, amount of the unexplained variation.26. Formulate a research design to professional standards 4. 27. Developmental science in the 21st century : Emerging questions, theoretical models, research designs and empirical findings. 28. Interestingly, it was designed in the United States by Toyota's Calty Research Design studio in California. 29. Therefore, any additions or changes have to be written from a medical study research design perspective. 30. The criteria Wagley used to categorize these spheres demonstrates a new research design in American anthropology.