Most Experiments in Psychology Lack

question 114

Multiple Choice

Most experiments in psychology lack:

• A)external validity.
• B)internal validity.
• C)randomization.
• D)manipulation.

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Definitions:

Average Total Cost Curve

A graph that shows the per unit cost of production at various levels of output.

Short-Run

A time period in which at least one factor of production is fixed, limiting the ability of firms to adjust to changes in market conditions fully.

Marginal Cost Curve

A graphical representation that shows the change in total cost when an additional unit is produced; typically upward-sloping due to increasing marginal costs.

Average Fixed Cost

The total fixed costs of production divided by the quantity of output produced, indicating the per unit fixed cost.