This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A researcher is exploring possible reasons for some children being put into gifted programs and ... (Read 29 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jun 20, 2018
A researcher is exploring possible reasons for some children being put into gifted programs and other children not being entered into gifted programs. This study is ex post facto because the
 
  a. subjects are already known to differ on the dependent variable.
  b. subjects are already known to differ on the independent variable.
  c. a and b.
  d. None of these are true.

Question 2

A researcher plans a special series of classroom lessons designed to increase students' verbal skills. A control group does not have the lessons. Which of the following would most likely be threats to internal validity?
 
  a. History
  b. Hawthorne effect
  c. Teacher expectations effect
  d. Mortality
  e. b and c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ktidd

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

E


Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jun 20, 2018
Wow, this really help

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Two children with schistosomiasis. Two children with schistosomiasis.
The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30% The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30%
Children with attention deficit disorder with hyperactivity (ADHD) diagnoses typically need a quiet, ... Children with attention deficit disorder with hyperactivity (ADHD) diagnoses typically need a quiet, ...
Parents around the world teach their children their religious beliefs and practices. This photo is ... Parents around the world teach their children their religious beliefs and practices. This photo is ...
Determining the extent of a burn: (A) rule of nines (adults); (B) Lund-Browder chart (children). Determining the extent of a burn: (A) rule of nines (adults); (B) Lund-Browder chart (children).
Fetal Alcohol Syndrome Children born with fetal alcohol syndrome often have facial abnormalities Fetal Alcohol Syndrome Children born with fetal alcohol syndrome often have facial abnormalities
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library