A researcher designs an experiment to test a new memory medication. She received the names of 1,000 individuals willing to participate in her study. She plans to study 250 people. To reduce experimenter bias, what procedure must be used when choosing the participants? a
Deception

b
Naturalistic observation

c
Random assignment

d
Random sampling

e
Research accountability

I think it might be C.
But I am not 100% sure

Your answer is going to be d.

Travel clerkdegree level: certificate or college degree preferred by employersdegree field: travel planning, travel, or tourism licensure and certification: business license may be required; voluntary certifications available construction carpenterrequired education: a high school dimploma and carpentry apprenticeship transportation managerdegree level: bachelor's degree in supply chain management or bachelor's degree in logistics degree field: supply chain management, systems engineering and business licence or certification: no legal requirement for a transportation to become certified but is recommended since certifications demonstrate commitment to excellence and a broader knowledge chief executive degree level: bachelor's degree; mba preferred degree field: liberal arts, business administration, public administration or field of specialty chosen (i.e health care administration)license or certificate: voluntary certification available