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of reminds me of an example with rats, some are fed this strict diet at this time with this many calories, others are on the “placebo pill.” The rats are all fed the same thing, same time, worked just as hard but the only difference is one group of rats (could be people too) take this pill to help out.
4.Joanna, Great post. You were really able to break down everything super easy and put it in a perspective really easy to understand. Your example of sampling with examining the immigrants use of mammography screening was a very clear example. You broke down how it can be broken down by group of population due to age, gender, seeming they would all be female, and how you could even break it down from a specific country. This shows that exactly how you described it above, that not everyone has the opportunity to be picked.5.A stratified random sampling involves dividing the entire population into homogeneous groups which are called strata (singular is stratum). Random samples are then selected from each stratum. For example, consider an academic researcher who would like to know the number of MBA students that got a job within three months of graduation in 2007. He will soon find that there were almost 200,000 MBA graduates for the year. He might decide to just take a simple random sample of 50,000 grads and run a survey, or better still, divide the population into strata and take a random sample from the strata. To do this, he could create population groups based on gender, age range, race, country of nationality, and career background. A random sample from each stratum is taken in a number proportional to the stratum's size when compared to the population. These subsets of the strata are then pooled to form a random sample.-sampling/Prayers to everyone out there in need of an extra hand or spirit to get them through. After the lastcouple of days with my kindergartner out of school and my two-year-old being crazy at my side, I am looking for the strength to carry me through the next couple months of summer, school and 4 12 hour shifts. My kids are begging for my attention in all the wrong ways, getting in trouble, not listening and just pushing my buttons. I feel I am always on edge with them, I try to do my best at not yelling at them and just making them understand I have lots of work to do to, but they just don’t understand yet. I am exhausted after work, but yet stay up late to do homework and do it all over again the next day. I am sure you all understand, juggling life, kids, work, school, so good luck to you all as well too! T4DQ1Extraneous variables may have an influence on the dependent variable. In what ways do researchers attempt to control extraneous variables? Support your answer with current literature.