In What Way Are Australopithecus Anamensis and Australopithecus Sediba Different

question 22

Multiple Choice

In what way are Australopithecus anamensis and Australopithecus sediba different from each other?

• A) A. sediba has retained more ancestral characteristics than A. anamensis.
• B) A. anamensis has retained more ancestral characteristics than A. sediba.
• C) A. anamensis was fully bipedal while A. sediba was not.
• D) A. sediba was fully bipedal while A. anamensis was not

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Definitions:

Reactivity

The phenomenon in which the presence of an observer or the awareness of being measured alters the behavior or responses of subjects.

Variability

The degree to which scores in a dataset differ from each other and from their average.

Reliability Coefficient

The reliability coefficient is a measure that assesses the consistency or stability of a test score or instrument over time.

Correlation

Correlation is a statistical measure that expresses the extent to which two variables change together. If the variables tend to increase and decrease in relation to each other, the correlation is positive; if one increases as the other decreases, it is negative.