This topic contains a solution. Click here to go to the answer

Author Question: The greatest difficulty for one doing research on teacher effectiveness is most likely to be a. ... (Read 24 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
The greatest difficulty for one doing research on teacher effectiveness is most likely to be
 
  a. formulating the research question.
  b. obtaining subjects to participate in the study.
  c. operationally defining teacher effectiveness.
  d. developing statistical procedures for analyzing the data.

Question 2

If the score reliability of a test decreases, the standard error of measurement will
 
  a. decrease.
  b. increase.
  c. stay the same.
  d. decrease only if the standard deviation decreases.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Answer to Question 1

C

Answer to Question 2

B




swpotter12

  • Member
  • Posts: 527
Reply 2 on: Jun 20, 2018
:D TYSM


sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

For a complete list of videos, visit our video library