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

Author Question: Statistical tests _____. a. tell us whether the differences between groups are in all probability ... (Read 43 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
Statistical tests _____.
 a. tell us whether the differences between groups are in all probability real or due to coincidence
  b. make it hard to decide what the research findings mean
 c. identify significant differences between the findings from the experimental and control groups
  d. tell us about the similarities between groups by focusing on finding identical results between participants in the experimental group
  e. tell us whether the differences between groups are in all probability real or due to coincidence and identify significant differences between the findings from the experimental and control groups

Question 2

The number of subjects needed for a study _____.
 a. is determined by a mathematical formula and should be as small as possible
 b. should be large enough to exclude differences between the control and experimental groups due to chance
  c. should be kept small so that the data are manageable and there is less room for statistical error
  d. is determined by a mathematical formula and should be large enough to exclude differences between the control and experimental groups due to chance
  e. is determined by randomization and therefore, can be scaled as needed



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ghepp

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

e

Answer to Question 2

d



Ebrown

  • Hero Member
  • *****
  • Posts: 567
Both answers were spot on, thank you once again



ghepp

  • Sr. Member
  • ****
  • Posts: 361

 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

For a complete list of videos, visit our video library