« previous next »

Author Question: A researcher is studying the effect of word games on spelling achievement. Of two randomly assigned ... (Read 104 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
on: Jun 20, 2018
A researcher is studying the effect of word games on spelling achievement. Of two randomly assigned groups one receives experience with word games, while the other does not. A spelling test is then administered. This design is
 
  a. counterbalanced.
  b. randomized subjects, posttest only control group.
  c. a simple 2 x 2 factorial.
  d. a static group

Question 2

A test has a score reliability of .70 . This means
 
  a. if the test were administered again, at least .70 percent of the subjects would obtain the same score.
  b. the test is 70 percent effective in measuring whatever it does measure.
  c. 70 percent of the variance in the observed scores is free of error.
  d. 70 percent of the variance in the observed scores is error variance.


aadams68

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Studying the Axon Studying the Axon
Effect of a catalyst on activation energy Effect of a catalyst on activation energy
10 side effect of birth control pills 10 side effect of birth control pills
Effect of dietary fats on high- and low-density cholesterol levels Effect of dietary fats on high- and low-density cholesterol levels
Studying the genetic roots of mating and bonding behavior Studying the genetic roots of mating and bonding behavior
Lane 8 - Say The Word with Arctic Lake Lane 8 - Say The Word with Arctic Lake
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library