What is difference between internal and external validity

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Assignment:

Within the quantitative methodological approach are several research designs. A research design provides more information on how and at what points data will be collected. The research question and the purpose of the study drive the decision of innovation. For example, if you aim to measure the effects of psychoeducation on social work clients, you might take measurements before and after the intervention pretest-posttest.

Some designs are better than others in terms of validity-the accuracy of the measurement. Discuss how you explore threats to internal validity and determine which research design best controls these threats.

Consider internal and external validity, their differences, and threats to validity when conducting research.

Reflect on which quantitative research design controls for all threats to internal validity.

What is the difference between internal and external validity

Select two internal validity threats and describe each.

After examining each category and list of designs, determine which method controls for all threats to internal validity. Explain how this design holds all threats.

Comparing the threats of internal validity, they chose with the ones you chose

Suggesting ways in which one of their identified threats could be eliminated or its effects reduced when conducting a study

Please include references.

Reference no: EM134033458

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