Learning Effects Often Result in _____ Marginal Costs

question 115

Multiple Choice

Learning effects often result in _____ marginal costs.

• A)decreasing
• B)increasing
• C)constant
• D)random

Differentiate between normative and nonnormative life events.

Recognize the impact of historical and cultural contexts on development.

Identify significant developmental influences across the lifespan.

Analyze the role of critical and sensitive periods in development.

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Definitions:

Experimental Group

The group in an experiment that receives the variable being tested, as opposed to the control group, which does not.

Dependent Variable

This is the variable in experimental research that is expected to change as a result of manipulations to the independent variable.

Random Assignment

A method used in experiments to place participants into either a control or experimental group, ensuring that each has an equal chance of being assigned to any given group.

Blind Observations

Observational research in which the observers are unaware of the subjects' conditions or the outcomes expected by the researchers, to prevent bias.