Exam 2: The Research Process: Coming to Terms

The interpretation of "differences are significant" means that the differences found are_________________.

The best dependent variable is defined by which of the following characteristics?

There will be no relationship between children's time in day care and later academic achievement. This is an example of which of the following?

Give an example of both a null and research hypothesis.

A research hypothesis ________________.

Which type of designs include more than one independent variable?

Which of the following might be considered a level of an independent variable?

What is the difference between a directional and nondirectional research hypothesis?

Why is a null hypothesis said to be implied?

How is the independent variable different from the dependent variable?

Why is it important to choose a representative sample of the population?

The researcher notices that the vocabulary level is also associated with intelligence level, so he determines that the research design must hold the level of intelligence constant to get a good idea of the relationship between pleasure reading and vocabulary level. Intelligence here is an example of what type of variable?

The null hypothesis always refers to the __________, whereas the research hypothesis always refers to the _______________.

Our job as researchers is to eliminate ___________ as a factor contributing to differences between groups.

What is the difference between a direct and indirect variable?

Factorial designs are experiments that can best be defined by which of these statements?

What type of variable masks the true relationship between the independent and dependent variables?

Why is it important to select a sample that represents the population as closely as possible?

If you read that a study's finding was significant at the p < .05 level, you could conclude that there is a less than 5% probability that _____________________________.

What is another term for the independent variable?