Chapter Self-Test

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Chapter 2

Chapter Self-Test

This activity contains 6 questions.

Using the Stanford 9 as the measure of achievement, the dependent variable in a research study, is an example of

an operational definition.an intervening variable.a theoretical definition.reducing a variable to a constant.

Tentative statements about the expected outcomes in a research study are called

research hypotheses. verifiable consequences.theoretical assumptions.temporal theories.

The statement, “The correlation between aptitude and achievement is the same for boys as it is for girls” is

a null hypothesis.a causal-connective.an alternative hypothesis.an articulated assumption.

Scores on a state-wide reading test are reported as Minimal, Proficient, and Very Proficient. What level of measurement is this?

ordinalnominalratiointerval

The aspect of a research study that deserves the most attention is the

list of hypotheses.selection or creation of measures.plan for drawing the sample.statement of the research problem.

Research is often done to see whether variable A has a cause-and-effect relationship with variable B. The presumed cause, variable A, is also called the

independent variable.intervening variable.correlational variable.implementation variable.

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