Week 1 - Part 2 Types of research and data

Two types of data scientists collect are...

• hypothesis and theory
• qualitative and quantitative
• myths and fables
• metric and standard measurements

Tags

NGSS.HS-ETS1-1

Which type of data involves numbers that are obtained by counting or measuring?

• quantitative

• qualitative

This variable in an experiment is the one being changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

A researcher wants to investigate spinach consumption and the iron concentration in blood.

What's the dependent variable?

• iron concentration in blood

• amount of spinach you eat

Secondary data is data that is observed or collected directly from first-hand experiences (for example, questionnaires or experimental measurements)

• True

• False

A scientist who wants to study the affects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the control group?

• Plant A

• Plant B

• Plant C

• None of these choices are correct