This type of investigation specifically focuses on gathering data based on observation.

• Experimental research design
• Scientific Method
• Descriptive research
• Objective research design

This type of investigation is used to answer scientific questions by testing a hypothesis through controlled steps.

• Experimental research design
• Scientific Method
• Descriptive research
• Objective research design

If you were asked to solve a scientific problem, and an experiment was impossible to perform, what research method should you use?

• Experimental research design
• Inferential research
• Descriptive research
• Objective research design

What is the first step in the scientific method?

• Recognize the problem
• Form a hypothesis
• Draw conclusion
• Analyze data

Providing partial information or only using data that supports one of the possible outcomes would be an example of________.

• Bias
• Objective research
• Descriptive research
• Statistical analysis 

When doing research on things that happen too slowly, too quickly, are too big or too small to observe directly, one would need to use a ______________

• model
• life-size replica
• a bigger laboratory
• this research cannot be done

A prediction, or statement that can be tested.

• hypothesis
• hypothalamus
• hypertension
• variable

The variable that is being measured.

• independent variable
• dependent variable
• constant
• control

A __________ is a sample that is treated like the other experimental groups except that the independent variable is not applied to it.

• independent variables
• dependent variables
• constants
• control

In __________ __________ every member of the target population has an equal chance of becoming part of the sample.

• Stratified sampling

• Random sampling

• Opportunity sampling

• Self-selected sampling