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 29 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 immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library