Over the Past Three Decades,the Median Age of First Marriage

question 15

True/False

Over the past three decades,the median age of first marriage in the United States has gone up for men,but has fallen for women.

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Definitions:

Pretest Posttest

A research design that measures the effects of an intervention by comparing subject scores before and after the intervention.

Experimental Design

The blueprint for conducting a scientific study to ensure that it is valid and reliable; it includes planning, conducting, and analyzing an experiment.

Two-by-two

A 2x2 matrix or table used to categorize or compare data points based on two binary criteria, often used in research for analysis or decision-making.

Online Experiments

Research experiments conducted over the internet, allowing for widespread participation and data collection from diverse populations.