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

Author Question: What can be said of a study in which there is a confounded factor? a. The study lacks internal ... (Read 87 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
What can be said of a study in which there is a confounded factor?
 
  a. The study lacks internal validity. c. both a and b
  b. The study lacks external validity d. none of these

Question 2

When the controls of an experiment are lax and the experimenter's conclusion that the independent variable had an effect is not justified, the study lacks _____.
 
  a. causal certainty c. a null hypothesis
  b. internal validity d. external validity



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

C
If there is a confound in an experiment, internal validity is compromised. Without internal validity, there can be no external validity.

Answer to Question 2

B
Internal validity depends on sufficient control of all factors in an experiment.




jazziefee

  • Member
  • Posts: 505
Reply 2 on: Jun 19, 2018
:D TYSM


ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

For a complete list of videos, visit our video library