Brent Is Taking Part in an Experiment in the Cognitive

question 87

Multiple Choice

Brent is taking part in an experiment in the cognitive neuroscience lab on campus.Silently,he reads rapid sequences of words flashed on a computer screen.Simultaneously,the electrical activity of his brain is recorded through skull electrodes.The brain-scanning technique used in this study is:

• A)fMRI.
• B)PET.
• C)EEG.
• D)TMS.

---

Definitions:

Null Hypothesis

A hypothesis in statistical analysis that suggests no significant difference or effect; it's the default position that there is no association between two measured phenomena.

Mean Square

A statistical measure used particularly in ANOVA, calculated by dividing the sum of squares by its degrees of freedom.

Error

The discrepancy between the actual measurement and its real value.

Mean Square

A statistical measure of the average of squared differences from the mean, used in various analyses like variance and ANOVA.