For which entity does evidence exist that infants can identify, ...

[RRMR]

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]

Answer to Question 1

C

Answer to Question 2

B