Behavioral Variability and Research

5 important questions on Behavioral Variability and Research

What is the essence of the behavioral research?

Attempt to answer questions about behavioral variability, that is how and why behavior varies across situations, differs Among individuals and changes over time.

What are the two general purposes for statistics?

1. Descriptive statistics: are used to summarize and describe the behavior of participants.
2. Inferential statistics: are used to draw conclusions about the reliability and generalizability of one's findings.

When is the variance of data small and when is it big?

1. If most scores in a set of data are tightly clustered around the mean. The variance of data will be small.
2. If our scores are more spread out they will vary a great deal.
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What is error variance?

Error variance is that portion of the total variance that is unrelated to the variables under investigation in the study

What does the strength or magnitude of relationships among variables show?

how important particular variables are in producing a particular behavior, thought, emotion, or physio- logical response.

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