« previous next »

Author Question: The optimum level of item difficulty for a five-alternative multiple choice item is a. .50. b. ... (Read 221 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
on: Jun 19, 2018
The optimum level of item difficulty for a five-alternative multiple choice item is
 
  a. .50.
  b. .60.
  c. .70.
  d. .80.

Question 2

The concept of mental age was introduced in
 
  a. 1905.
  b. 1908.
  c. 1911.
  d. 1916.


ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

TVarnum

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jun 19, 2018
Thank you!


ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jun 19, 2018
Happy to help


« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Single-gene inheritance tracked at the DNA level Single-gene inheritance tracked at the DNA level
Directional drilling taps multiple oil deposits Directional drilling taps multiple oil deposits
Complementary and Alternative Treatments for Anxiety and Insomnia Complementary and Alternative Treatments for Anxiety and Insomnia
The level in the coolant recovery system raises and lowers with engine temperature. The level in the coolant recovery system raises and lowers with engine temperature.
Impacts of rising sea level Impacts of rising sea level
Demonstration of multiple origins of replication along a eukaryotic chromosome Demonstration of multiple origins of replication along a eukaryotic chromosome
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library