This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: To conclude that Variable A is a cause of Variable B, you need to establish a. a statistical ... (Read 54 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Jun 20, 2018
To conclude that Variable A is a cause of Variable B, you need to establish
 
  a. a statistical relationship between A and B.
  b. that Measure A occurred before Measure B.
  c. that other factors did not determine B.
  d. All of these are true.
  e. None of these are true.

Question 2

A researcher investigating the effect of a new drug administers a placebo to the control group in order to
 
  a. eliminate the Hawthorne effect.
  b. provide better matching of subjects in the experimental and control groups.
  c. minimize the experimenter effect.
  d. separate the psychological aspects of the treatment from other effects.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


yoroshambo

  • Member
  • Posts: 566
Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Much time and effort occurs between the development of a research idea and the statistical analysis Much time and effort occurs between the development of a research idea and the statistical analysis
The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ... The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ...
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
How to solve a linear system when the variable is in the denominator position (Question 1 of 2) How to solve a linear system when the variable is in the denominator position (Question 1 of 2)
How to rearrange formulas to isolate for a variable How to rearrange formulas to isolate for a variable
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library