This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Can a scale be reliable but not valid? What will be an ideal ... (Read 37 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
on: Jun 21, 2018
Can a scale be reliable but not valid?
 
  What will be an ideal response?

Question 2

In a study, a researcher finds correlations of -.75 and +.35. Which one correlation is considered stronger and why?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jun 21, 2018
Answer to Question 1

Answer: Yes, a scale can be reliable and thus consistently yield the same results, but at the same time it does not measure what it is supposed to measure and thus is not valid.

Answer to Question 2

Answer: The correlation with the stronger relationship is -.75. The strength is determined by the size of the number after the decimal point. The negative sign merely shows that it is a negative correlation.


dbose

  • Member
  • Posts: 597
Reply 2 on: Jun 21, 2018
Wow, this really help

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Websites that Provide Reliable Health Information Websites that Provide Reliable Health Information
Cultures Ideal Body Types Cultures Ideal Body Types
Flow Patterns and Large-Scale Weather: The Steering of Midlatitude Cyclones Flow Patterns and Large-Scale Weather: The Steering of Midlatitude Cyclones
The Wong-Baker “Faces” pain rating scale The Wong-Baker “Faces” pain rating scale
AWG Scale and Ampacity AWG Scale and Ampacity
The pH scale and relationship between bicarbonate and carbonic acid The pH scale and relationship between bicarbonate and carbonic acid
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

For a complete list of videos, visit our video library