Randomizing treatments to test units is not an effective method ...

[michelleunicorn]

Randomizing treatments to test units is not an effective method of handling extraneous variables, because it does not in any way control extraneous variables.
 
 Indicate whether the statement is true or false

Question 2

Writing the names of the students in a class on separate sheets of paper, shuffling them thoroughly, and then drawing five names out of a hat, is a type of ______ sample.
 Fill in the blank(s) with correct word

[parker125]

Answer to Question 1

F
Randomization is important for controlling extraneous variables in experimental design.

Answer to Question 2

simple random