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

Author Question: A study has found a positive correlation between smoking cigarettes and schizophrenia. What is a ... (Read 36 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
on: Jun 22, 2018
A study has found a positive correlation between smoking cigarettes and schizophrenia. What is a possible explanation for this finding?
 
  a. Emotional problems experienced during childhood cause schizophrenia.
  b. Some property of nicotine could be part of the cause of schizophrenia.
  c. The gene that carries schizophrenia also increases the potential for smoking.
  d. A fourth variable could be causing both.

Question 2

Assume that variables X and Y are significantly correlated; the third variable problem means that
 
  a. the correlation could be explained by their joint relation with some other factor.
  b. another variable must correlate with X but not Y.
  c. another variable must correlate with Y but not X.
  d. X causes Y and Y causes X.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: b.

Answer to Question 2

Answer: a.


HudsonKB16

  • Member
  • Posts: 535
Reply 2 on: Jun 22, 2018
Excellent

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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.

The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study
The frontal sinus, an airfilled space just behind the brow, is a unique size and shape in each of us The frontal sinus, an airfilled space just behind the brow, is a unique size and shape in each of us
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
Alcoholism, Schizophrenia, and Prefrontal Gray Matter Alcoholism, Schizophrenia, and Prefrontal Gray Matter
Constant velocity versus positive velocity Constant velocity versus positive velocity
Positive and Negative Punishment Positive and Negative Punishment
Video: Metaphase I Animation

For a complete list of videos, visit our video library