Exam 2: Research Methods

Sasha decided not to answer survey questions about her romantic relationships because she felt they were too personal. This is acceptable because all participants have which right

Ruby graphs scores from variables to test for a pattern. What type of statistical concept is she using

As the p value decreases, what increases

Which of the following means to use a single person or event to test a hypothesis

In which situation would you calculate a correlation coefficient

What is the difference between internal and external validity

Scatterplots are used to calculate correlation coefficients.

Explain the main difference between correlational designs and experimental designs.

Dr. Donal has participants draw number slips from a hat to determine in which experimental condition they are placed. This is one way to improve internal validity.

Correlations test whether two different variables are systematically associated with each other.

Which example best illustrates participant observation

Select the data for which a correlation coefficient would be the most appropriate statistic.

If two bell-shaped curves have no overlap and their average scores are very far apart, this means what is large

Archival research is superior to experimental research because it demonstrates causality.

Which of the following is a benefit of archival research

Which of the following increases reliability

Which is the best example of a question an IRB might ask

A preexperiment is the pretest given before introducing the independent variable.

Horoscope predictions are not typically good hypotheses. Why not

Which best defines correlation