When a concept is directly or indirectly observable, it is said ...

[wenmo]

When a concept is directly or indirectly observable, it is said to have which of the following?
 
  a.) assumptions
  b.) a concept
  c.) reactivity
  d.) empirical referents

Question 2

Brooke is writing an introduction to a research paper. From the options below, which statement illustrates the correct tense that Brooke should use?
 
  a. Raacke found that college students need sleep to perform well academically.
  b. Previous researchers have found that college students need sleep to perform well academically.
  c. A and B
  d. None of the above

[livaneabi]

Answer to Question 1

D

Answer to Question 2

C

[wenmo]

Gracias!

[Kedrick2014]

Excellent