« previous next »

Author Question: A sample consists of 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors from a local high school ... (Read 1169 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jun 19, 2018
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
Reply #1 on: Jun 19, 2018
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
« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
A sample flow sheet. A sample flow sheet.
Small local hydroelectric power generators have more future potential Small local hydroelectric power generators have more future potential
Ratio of College Wages to High-School Wages Ratio of College Wages to High-School Wages
School can be discouraging and frustrating place for a child with a learning disability School can be discouraging and frustrating place for a child with a learning disability
A polysome consists of an mRNA molecule loaded with many ribosomes, all engaged in translation. A polysome consists of an mRNA molecule loaded with many ribosomes, all engaged in translation.
Video: Lipid absorption - end products & transport mechanism

For a complete list of videos, visit our video library