Author Question: A sample consists of 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors from a local high school ... (Read 1106 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
A sample consists of 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors from a local high school that has an equal number of students in each class. If the sample was obtained using a list of all the students in the high school, it is probably an example of ____ sampling. If the sample was obtained without a list of students, it is likely an example of ____ sampling.
 
  a. simple random; cluster
 b. stratified random; quota
 c. proportionate stratified random; quota
  d. systematic; convenience

Question 2

A(n) _______________ study is designed to test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify potential side effects.
 
  Fill in the blank(s) with correct word



steff9894

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

b

Answer to Question 2

Phase I



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library