5) Determine whether the following sampling is dependent or independent. (1ptS) A sociologist wishes to compare the annual salaries of married couples in which both spouses work and determines each spouse's annual salary. This sample is a dependent sampling becaus 7) Researchers wanted to evaluate whether a certain herb improved memory in (MS) elderly adults as measured by objective tests. To do this, they recruited 92 men and 125 women older than 70 years and in good health. Participants were randomly assigned to receive the herb, 45 mg 3 times a day, or a matching placebo. A measure of memory improvement was determined by a standardized test of learning and memory. What type of experimental design is this? Matched-pair design Completely randomized design None