« previous next »

Author Question: If the measurement process involves high systematic error and low random error, the measurements are ... (Read 144 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jun 29, 2018
If the measurement process involves high systematic error and low random error, the measurements are
 a. valid but not reliable c. reliable but not valid
  b. valid and reliable d. neither valid nor reliable

Question 2

When a local television station sends a crew to interview joggers in the city park on a beautiful spring day, this represents what type of sample?
 a. cluster sample
  b. multistage area sample
  c. systematic sample
  d. convenience sample


emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 29, 2018
Answer to Question 1

C
Validity means low systematic error; reliability means low random error. Therefore, high systematic error and low random error means reliable but not valid. The measure gets consistent results, but it is not measuring what it was designed to measure.

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

robinn137

  • Hero Member
  • *****
  • Posts: 544
Reply #2 on: Jun 29, 2018
Thank you :)


emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jun 29, 2018
Happy to help you


« previous next »
 

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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Communication as active process Communication as active process
The primary ignition system is used to trigger and therefore create the secondary (high-voltage) ... The primary ignition system is used to trigger and therefore create the secondary (high-voltage) ...
How to convert one unit of measurement to another unit (Part 1) How to convert one unit of measurement to another unit (Part 1)
Blood pressure measurements: Palpable blood pressure Blood pressure measurements: Palpable blood pressure
Facet of superior articular process Facet of superior articular process
A graphical representation of correlations in IQ measurements in different sets of individuals. The A graphical representation of correlations in IQ measurements in different sets of individuals. The
Video: Epidural Hematoma

For a complete list of videos, visit our video library