« previous next »

Author Question: The null hypothesis that is appropriate to state with a directional research hypothesis asserts that ... (Read 79 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jun 20, 2018
The null hypothesis that is appropriate to state with a directional research hypothesis asserts that
 
  a. the independent variable has no effect.
  b. chance alone is responsible for the observed differences between conditions.
  c. the independent variable does not have an effect in the direction predicted by the research hypothesis (H1).
  d. b and c.

Question 2

If the research hypothesis states that alcohol affects short-term memory, the null hypothesis states
 
  a. alcohol does not decrease short-term memory.
  b. alcohol decreases short-term memory.
  c. alcohol has no effect on short-term memory.
  d. alcohol increases short-term memory.


juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

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

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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.

Living in groups and the many eyes hypothesis. Living in groups and the many eyes hypothesis.
The clonal selection hypothesis The clonal selection hypothesis
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 liver in this photograph was from a deceased patient with an advanced state of cirrhosis. The liver in this photograph was from a deceased patient with an advanced state of cirrhosis.
Research Methods Research Methods
Every state has a two-letter abbreviation. Every state has a two-letter abbreviation.
Video: Griffith's experiments

For a complete list of videos, visit our video library