Writing a Problem Statement Changing the “Ask a question” to a cause – effect statement.
Two Steps Step 1 • Identify variables • Independent variable • Dependent variable
Step 2 • Choose one of the three problem statements below and fill in iv = independent variable and dv = dependent variable. • What is the effect of ___iv___ on ___dv___? • How do/does ___iv___ affect ___dv___? • To what extent do/does ___iv___ affect ___dv___?
EXAMPLE Question – Does moisture effect yard snails? moisture - independent variable yard snails – dependent variable Example 1 – What is the effect of moisture on yard snails? Example 2 – To what extent does moisture affect yard snails?
Writing an Hypothesis • Must be a researched, educated guess. • Most often is an “if, then” statement and must include the independent variable and dependent variable. The statement sets up a cause-effect relationship. • Ex. If I ___ iv______, then ____dv_______.
EXAMPLE If I change the moisture, then the # of yard snails will be affected.