This topic contains a solution. Click here to go to the answer

Author Question: What is the main purpose of using a random sample in a study? ... (Read 18 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
What is the main purpose of using a random sample in a study?

Question 2

One of the complications that can arise with observational studies is using the past as a source of data. This type of study is called a __________ study.
 Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nathang24

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

SO THAT THE RESULTS CAN BE EXTENDED TO THE POPULATION FROM WHICH THE SAMPLE WAS DRAWN.

Answer to Question 2

RETROSPECTIVE




beccaep

  • Member
  • Posts: 535
Reply 2 on: Jul 24, 2018
Wow, this really help


adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library