Nala Wants to Determine If Providing Awards for Science Fair

question 30

Multiple Choice

Nala wants to determine if providing awards for science fair winners increases or decreases participation by average students. She thinks that by promoting science as a competition some children may decide not to participate. To address this question, Nala identifies two types of schools in her district, schools that provide awards or schools that do not. She compares the participation rate of students in her two groups. Given Nala's study, what is the dependent variable?

• A) School location
• B) Student achievement
• C) School type
• D) Participation rate

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Definitions:

Indirectly

In a way that is not directly expressed or done; an indirect method or approach.

Null Hypotheses

A statement used in statistics that proposes there is no significant difference or relationship between specified populations, or no effect of a particular treatment.

Sample

A subset of a population selected for observation and analysis in order to make inferences about the entire population.

Well-written Hypothesis

A clearly formulated statement that makes a conjecture about the outcome of an experiment or research, specifying the expected relationship between variables.