Author Question: Difference thresholds are determined by a constant fraction of the magnitude of the original ... (Read 68 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
Difference thresholds are determined by a constant fraction of the magnitude of the original stimulus. This is the premise of
 
  a. Weber's law.
  b. selective attention theory.
  c. Gestalt laws of perceptual organization. d. signal-detection theory.
  e. the volley principle.

Question 2

Which activity might allow Gwyneth to help her six-month-old granddaughter develop object permanence?
 
  a. playing peek-a-boo with her
  b. singing the alphabet song with her
  c. singing songs like Itsy Bitsy Spider
  d. playing patty-cake with her
  e. reading children's books to her



yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library