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

Author Question: Which of the following, if left to stand alone, is the weakest evidence of a possible causal ... (Read 61 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
Which of the following, if left to stand alone, is the weakest evidence of a possible causal connection?
 a. There is a reasonable explanation for a cause and effect relationship.
  b. The data appear to have a pattern on the scatterplot.
  c. The connection was shown to hold under varying conditions.
  d. Potential confounding variables have been ruled out.

Question 2

Which of the following will strengthen the evidence for a causal connection?
 a. Many observational studies conducted under different conditions all find the same link between two variables.
  b. Many observational studies with different confounding variables all find the same link between the two variables.
  c. The same type of relationship holds when the explanatory variables fall into different ranges for different studies.
  d. All of the above.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

D


jparksx

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
Excellent

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
Common skin signs are often evidence of an illness or disorder. A macule is a discolored spot on the ... Common skin signs are often evidence of an illness or disorder. A macule is a discolored spot on the ...
Two wells are filled with related or partially identical antigens. The well on the left contains an ... Two wells are filled with related or partially identical antigens. The well on the left contains an ...
Palpating the left kidney Palpating the left kidney
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Evidence of early bipedalism Evidence of early bipedalism
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library