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

Author Question: In a(n) ________________, one or more variables are identified and controlled or manipulated so that ... (Read 30 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
In a(n) ________________, one or more variables are identified and controlled or manipulated so that data can be obtained about how they influence the variable of interest identified first.
 a. experimental study b. observational study
  c. categorical study d. variable study

Question 2

Data collected from several entities over a period of time (minutes, hours, days, etc.) are called
 a. categorical and quantitative data. b. time series data.
  c. source data. d. cross-sectional data.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chinwesucks

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

a
RATIONALE: In an experimental study, a variable of interest is first identified. Then one or more other variables are identified and controlled or manipulated so that data can be obtained about how they influence the variable of interest.

Answer to Question 2

b
RATIONALE: Data that are collected over a period of time (minutes, hours, days, months, years, etc.) are known as time series data.




ssal

  • Member
  • Posts: 572
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library