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Ppp 57)How Is a DFD Different from a Flowchart

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Ppp 57)How is a DFD different from a flowchart?


Definitions:

Ex Post Facto

A research design that examines the effects of an independent variable on a dependent variable after the event has occurred.

Random Assignment

A method in experimental design where study participants are allocated to different groups on a random basis to reduce bias.

Experimental

Relating to a controlled study involving variables manipulated to determine cause-and-effect relationships.

Longitudinal

Describes research or analysis that takes place over a long period of time, observing the same subjects to detect changes or developments.

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