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

Author Question: What is the defining characteristic of a true experiment? A) use of at least one variable B) ... (Read 106 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
What is the defining characteristic of a true experiment?
 
  A) use of at least one variable
  B) direct control over extraneous variables
  C) direct manipulation of the IV
  D) use of two equal groups

Question 2

A multiple regression analysis in which predictor variables are entered into the equation in an order predetermined by the researcher is called a regression analysis.
 
  a. stepwise
  b. hierarchical
  c. partial
  d. standard
  e. cross-lagged



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

C

Answer to Question 2

b





 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

For a complete list of videos, visit our video library