Quize 6

Question 0

In a experiment forty people were randomly chosen to participate in an experiment to determine if a new drug reduces cholesterol twenty people recieved the new drug treatment while the remaining twenty recieved a placebo. None of the subjects know which group they were in this is an example of…

Answer 0

blindness

Question 1

True or false: the placebo effect must operate equally on all subjects as part of equal treatment

Answer 1

Falso. The placebo effect is not a part of equal treatment

Question 2

In a double-blind experiment

Answer 2

neither the subjects nor the people who are working with them know which treatment each subject is receiving.

Question 3

The simplest statistical design for experiment is

Answer 3

completely randomized experimental design

Question 4

A completely randomized design can have

Answer 4

any number of explanatory variables

Question 5

An experiment to compare tje amount of usage of single serve coffee machines as opposed to regular brew coffee machines will want to look separately at the usage patterns of men and women coffee drinkers. The expirament randomly assigns the men to two groups, one to ise single serve coffe machines, the other to use a regular brew coffee machine. They women are assigned in the same fashion. They will then compare the usage of coffee machines with each group. This is an example of:

Answer 5

Block experimental design

Question 6

The key to convincing experiments are

Answer 6

randomizaion, control, adequate number subjects.

Question 7

The coke versus pepsi experiment where.

Answer 7

matched pairs

Question 8

The most common weakness in experiments is that

Answer 8

they can’t generalize the conclusions widely

Question 9

Because the placebo effect is strong, clinical trials should be

Answer 9

Double-blind