Practical Research 2 Quiz # 2

Which variable is changed on purpose?

• Independent Variable

• Continuous Variable

• Dependent Variable

• Discrete Variable

What is the DEPENDENT variable in this experiment?

"Does eating breakfast improve test score?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

What is the INDEPENDENT variable in this experiment?

"Which type of medium is best for plant growth?

• height of plant (cm)

• type of medium (soil vs. sand)

• amount of medium

• types of plant

What is the DEPENDENT variable in this experiment?

"Do tall people jump further than short people?"

• height of the person

• weight of the person

• how fast the person runs

• how far the person jumps

What is the INDEPENDENT variable in this experiment?

"Which type of metal, copper, or aluminum, conducts heats faster?"

• size of metal

• types of metal

• time it takes to heat up

• shape of the metal

Which variable that is measured?

• Moderator

• Independent

• Dependent

• Control

Which variable interferes the independent and dependent variables and which effects may strengthen or weaken both variables?

• Moderator Variable

• Intervening Variable

• Control Variable

• Discrete Variable

Read each phrase then identify what variable is given.

Military Title

• Continuous variable

• Discrete variable

Read each phrase then identify what variable is given.

Year Level

• Continuous variable

• Discrete variable

Read each phrase then identify what variable is given.

Favorite type of music

• Continuous variable

• Discrete variable