Dr once did a research project examining how test performance was influenced by the gender identity/presentation of the person administering the test. Dr research assistants once mistakenly
printed the research materials (including the test) on blue paper instead of white. To save paper, they used the
blue materials. Dr. Clarke later determined that the color of the paper influenced the results beyond the effect of
the gender identity/presentation of the test administrator, so she had to discard all of the participants who
received blue paper materials. The color of the paper in this example is:
O the independent variable
O the dependent variable
O a confound
a demand characteristic
o

Mr. wayne is a 38-year-old man with a significant history of elevated cholesterol levels. his father died at age 42 from a massive heart attack secondary to elevated cholesterol and triglycerides, and two of his older siblings are currently taking medications to lower their cholesterol levels. mr. wayne makes an appointment to discuss his risk for hypercholesterolemia. the nurse recognizes that mr. wayne is at risk for familial hypercholesterolemia because this is an autoomal dominant inherited condition. a. describe the pattern of autosomal dominant inheritance. b. mr. wayne asks what chance his children have of developing familial hypercholesterolemia. how should the nurse respond? c. explain the phenomenon of penetrance observed in autosomal dominant inheritance.