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

Author Question: The optimal item difficulty of a six-alternative test is a. .50. b. .585. c. .60. d. ... (Read 57 times)

mikaylakyoung

  • Hero Member
  • *****
  • Posts: 531
on: Jun 19, 2018
The optimal item difficulty of a six-alternative test is
 
  a. .50.
  b. .585.
  c. .60.
  d. .625.

Question 2

Dr. Johnson is trying to establish norms for his new test. He determined that 50 of the people in the standardization sample should be Hispanic, 20 Caucasian, 15 Asian, and 15 African American. He is creating (a)
 
  a. normalization group.
 b. representative sample.
  c. random sample.
 d. population statistics.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


mikaylakyoung

  • Member
  • Posts: 531
Reply 2 on: Jun 19, 2018
Gracias!

tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Rinne Test, Assessing Bone Conduction Rinne Test, Assessing Bone Conduction
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Coagulase Test Coagulase Test
The paper test involves holding a piece of paper near the tailpipe of an idling engine. A good ... The paper test involves holding a piece of paper near the tailpipe of an idling engine. A good ...
Step Test for Cardiovascular Endurance. Step Test for Cardiovascular Endurance.
Mutagenicity of aflatoxin B1 determined by the Ames test Mutagenicity of aflatoxin B1 determined by the Ames test
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library