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 82 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?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library