Andy conducts a study to improve reading scores in elementary schools. He obtains a sample of second-graders whose reading level was very much below average. He enrolls these students in a reading program and then measures their reading level six months later. Reading levels were significantly higher after the program than before. Because Andy selected participants on the basis of their extreme scores, he should be concerned а bout:a. maturation. b. statistical regression. c. history. d. instrumentation.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Andy conducts a study to improve reading scores in elementary schools. He obtains a sample of second-graders whose reading level was very ...” in 📗 English if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
What gives poetry its musical quality?
Answers (1)
What is the meaning of gluttonously?
Answers (1)
And the Raven, never flitting, still is sitting, still is sitting On the pallid bust of Pallas just above my chamber door;
Answers (2)
The conflict lessens and leads to the story's conclusion in which stage of plot? rising action. climax. exposition. falling action.
Answers (1)
All are punished romeo and juliet meaning
Answers (1)
New Questions in English
In a short essay of 2-3 well-developed paragraphs, compare and contrast reading the story with watching the video. First, evaluate the choice of costumes, set, and actors in the film compared with the text version.
Answers (1)
How were Munodi's lands and home different from the others in the area? A. His were twice the size of everyone else's. C. His home was filled with art works and expensive furniture. His lands were covered with landscaped gardens. B.
Answers (1)
1. How does Johnny react when dally tells him that they beat up the socs? 2. What does Johnny say to Ponyboy before he dies? What do you think it means?
Answers (1)
The philosophical school most associated with Emerson is O A. Empiricism. O B. Transcendentalism. O C. Yale. D. Harvard
Answers (2)
Which sentence has a verb in the passive voice? A) The workers will repair our street tomorrow. B) Our neighbors demanded that someone repair our street. C) I fell off my bike when I accidentally rode it into a pothole.
Answers (1)