Variables and Data Collection

Read these sections and complete the questions at the end of each section. This section introduces several types of data and their distinguishing features. You will learn about independent and dependent variables and how common data can be coded and collected.

Basics of Data Collection

Questions

Question 1 out of 2.

You should always record data to as many decimal places as possible.

false
true

Question 2 out of 2.

If you wished to know how long since your subjects had last eaten, it would be better to ask them

What time they last ate and what time it is now.
How many minutes since they had last eaten.