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

Author Question: Twenty-month-old Hannah realizes that her mother still exists even when Hannah cannot see her. What ... (Read 276 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
Twenty-month-old Hannah realizes that her mother still exists even when Hannah cannot see her. What cognitive achievement has Hannah mastered?
 
  a. egocentrism
  b. object permanence c. conservation
  d. animistic thinking e. centration

Question 2

Weber's law suggests that
 
  a. absolute threshold measurements underestimate true perceptual sensitivity. b. difference thresholds are a constant proportion of the original stimulus.
  c. difference thresholds are a constant quantity.
  d. difference thresholds decrease as stimuli increase. e. difference thresholds increase as stimuli decrease.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juwms

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

b

Answer to Question 2

b




renzo156

  • Member
  • Posts: 526
Reply 2 on: Jun 19, 2018
Gracias!


connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library