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 72 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
YES! Correct, THANKS for helping me on my review

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

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

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Pichia test Pichia test
Dropping a Sterile Item onto a Sterile Field Dropping a Sterile Item onto a Sterile Field
Control you knife with one hand and hold the item being cut with the other (1 of 3) Control you knife with one hand and hold the item being cut with the other (1 of 3)
If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ... If the following ions Ca2+, Cl-, Na+ and CO32- are placed in a test tube, the precipitate ...
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library