Author Question: It is very difficult to establish a causal connection between two variables without the use of ... (Read 63 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
It is very difficult to establish a causal connection between two variables without the use of anything except a __________.
 Fill in the blank(s) with correct word

Question 2

The __________ the number of confounding factors that can be ruled out, the __________ convincing the evidence for a causal connection.
 Fill in the blank(s) with correct word



qytan

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

RANDOMIZED EXPERIMENT

Answer to Question 2

GREATER AND MORE; OR FEWER AND LESS.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library