Describe One Potential Artifact (Experimenter Bias or Reactivity) and How

question 46

Essay

Describe one potential artifact (experimenter bias or reactivity) and how it threatens both the internal and external validity of a study.

Describe the concept of carrying capacity and factors that influence it.

Understand the difference between exponential and logistic growth models in populations.

Differentiate between semelparous and iteroparous reproductive strategies.

Identify density-dependent and density-independent factors and their effects on population dynamics.

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Definitions:

Linear Model

A mathematical model that assumes a linear relationship between the input variables (independent) and the single output variable (dependent).

Scatterplot

An illustrative technique in statistics that depicts the correlation between two distinct sets of data using a collection of points on a two-dimensional graph.

Data Set

A collection of related sets of information that are composed of separate elements but can be manipulated as a unit by a computer.

Residuals

The differences between observed values and the values predicted by a model in statistical analysis.