How could the sample selection procedures used in a research study investigating the levels of depression occurring in blind and sighted adolescents make the sample of blind adolescents more homogeneous?
A) Eliminate subjects taking prescription medications
B) Narrow the age range of subjects to those between 13 and 18 years
C) Have the same person administer the questionnaire to all subjects
D) Avoid telling the subjects the nature of the study

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The Answer of How could the sample selection procedures used in a research study investigating the levels of depression occurring in blind and sighted adolescents make the sample of blind adolescents more homogeneous?
A) Eliminate subjects taking prescription medications
B) Narrow the age range of subjects to those between 13 and 18 years
C) Have the same person administer the questionnaire to all subjects
D) Avoid telling the subjects the nature of the study

How Could the Sample Selection Procedures Used in a Research