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 61 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


dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

For a complete list of videos, visit our video library