Author Question: For which entity does evidence exist that infants can identify, track, and enumerate? A) parts ... (Read 76 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
For which entity does evidence exist that infants can identify, track, and enumerate?
 
  A) parts
  B) holes
  C) objects
  D) shapes

Question 2

When conducting a t test for independent means, once the variances are known for each of the distributions of means, the variances can be added together to give the
 
  A) pooled estimate of the population variance.
  B) variance of the distribution of differences between means.
  C) t score.
  D) power of the study.



lorealeza

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

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

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

For a complete list of videos, visit our video library