Studies Regarding Rat Learning and Brain Structure by Greenough, Et

question 18

Multiple Choice

Studies regarding rat learning and brain structure by Greenough, et al. (1990) and Wallace, et al. (1992) suggest that

• A) early experiences such as learning cause physical changes in the brain.
• B) psychopathology is the result of early learning experiences.
• C) while psychopathology is often a result of early life experiences, it is generally due to the physical changes in the brain that such experiences cause.
• D) genetically caused brain structure problems can be corrected by positive life experiences.

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Definitions:

Variability

A measure of how spread out or dispersed the scores in a dataset are.

Bell Shaped Histograms

Histograms showing the frequency distribution of data that forms a symmetrical, bell-shaped curve, indicating a normal distribution.

Histograms

Graphical representations of the distribution of numerical data, showing the frequency of data within certain ranges.

Empirical Rule

A statistical norm that asserts for a normally distributed set of data, almost all of the data points are encompassed within three standard deviations from the mean value.