Class 7 HIV Testing . . . continued


Continue the discussion about drug testing and HIV tesing.

Homework for Monday, February 27

Read Chapter 15 and Chapter 3 of FPPA. Do the review exercises at the end of each chapter.

Journal Assignment

Journal Comments

I (Linda) enjoyed reading your journals. Your answers to the three journal questions we asked were thoughtful and interesting. In addition to answering assigned questions, we would like you to put lots of other things in your journals: for example, questions and comments related to class discussions, and experiences that remind you of the class. (This time, I just gave extra credit for people who included these extras, but in the future they should be part of a complete journal.)

Here are some more specific comments:

Aids articles

Most people preferred the retonavir study because of its large size and controlled, double-blind set-up. Some people pointed out that the 3-drug therapy studies still serve an important purpose: it allows scientists to get an idea of whether or not to test drug combinations further, without having to go through a lengthy and expensive controlled study.

Some people were also concerned about the 15% drop-out rate in the retonavir group and wanted to know more about the health of these patients.

Weather predictors

A lot of people objected to the idea of subtracting from the weather predictor's salary and some people found the whole topic frivolous.

Survey data

People went wild on this one, and noticed, among other things:

-- One Princeton student had a pulse of about 15 beats per minutes and one Grinnell woman was almost 9 feet tall. These "outliers" are probably mistakes and can mess up calculations. One solution is to leave them out.

-- There are a lot of "round numbers" like 600 and 700 for SAT scores. Possibly people were estimating, or as one student suggested, "rounding up".

-- There are more men than women in the Princeton class, and more women than men in the Grinnell class. In fact, there are so few women in the Princeton class (4) that comparisons of men and women probably don't mean much.

-- There is a high proportion of lefties in the combined Princeton/Grinnell data (over 20%).

-- The Princeton students have higher SAT scores and gpa's than the Grinnell students (almost everyone noticed this).

-- The Princeton students have a smaller mean family size than Grinnell students.

-- Verbal SAT scores decrease with increasing shoe size.

-- The people who get more exercise have lower pulse rates.

Other comments

The tv show ER had an episode in which the chief doctor got in trouble for hand-picking patients for a medical experiment instead of dividing them up by lot.

The American Medical Association has a
homepage for the latest aids news.