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 77 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
Great answer, keep it coming :)

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

An example of color blindness test. A person with red-green color blindness would not be able to dis An example of color blindness test. A person with red-green color blindness would not be able to dis
TB skin test. TB skin test.
Citrate synthase test Citrate synthase test
Performing a Spirometry Test to Measure Forced Vital Capacity Performing a Spirometry Test to Measure Forced Vital Capacity
Positive ring precipitin test. Positive ring precipitin test.
Consider the following hypothesis problem. n = 30 H0: 2 = 500 s2 = 625 Ha: 2 500 The test ... Consider the following hypothesis problem. n = 30 H0: 2 = 500 s2 = 625 Ha: 2 500 The test ...
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library