« previous next »

Author Question: The standard deviation of a particular WISC-III subtest is 3, and its reliability coefficient is ... (Read 58 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Jun 19, 2018
The standard deviation of a particular WISC-III subtest is 3, and its reliability coefficient is .84.
  What is the standard error of measurement of the subtest?
 
  A) 1.2 B) 2.5 C) 3.0 D) 2.0

Question 2

An item response curve is a plot of the
 
  A) proportion of examinees who get an item right against the proportion who get it wrong.
  B) proportion of examinees who get an item right against an external or internal criterion.
  C) point-biserial correlations between item and total test scores.
  D) frequency distribution of examinees at each total test score range who get the item right.


cici

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Thyroid conditions may make getting pregnant impossible.

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?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Summary of Standard Precautions Summary of Standard Precautions
a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation
Discharge coefficient, sieve plates Discharge coefficient, sieve plates
Ulnar and radial deviation of the wrist Ulnar and radial deviation of the wrist
A blade and assorted plates for a standard grinder A blade and assorted plates for a standard grinder
A karyotype arranges the chromosomes in a standard format A karyotype arranges the chromosomes in a standard format
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library