« previous next »

Author Question: The null hypothesis that is appropriate to state with a directional research hypothesis asserts that ... (Read 78 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?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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.
Steady-state kinetic analysis of bisubstrate reactions Steady-state kinetic analysis of bisubstrate reactions
Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q
Abortion Rates by State, 2008 Abortion Rates by State, 2008
Popular Methods of Conducting Social Science Research Popular Methods of Conducting Social Science Research
Researchers and Research Spending, 2009 Researchers and Research Spending, 2009
Video: Stress and Immune System Animation

For a complete list of videos, visit our video library