In assessing the internal validity of an intervention, we try to determine if certain changes cause certain outcomes. It is relevant in studies that try to establish casual relationship. While in observational or descriptive studies, it is not that relevant. It is also possible to have internal validity in a study and not have construct validity. Example, imagine a study where you are looking at the effects of a new computerized tutoring program on math performance in first grade students.
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Literacy is a prerequisites of development it is because literacy means the ability to read and write. every body need a knowledge of reading and writting . Today generation is full of knowledge . people who can het good knowledge they only get a job opportunity.
Desiree and Jorg are engaging in relationship talk.
They are wandering about where their relationship is headed and whether they have a future together. Once they've realized they both want something more serious out of that relationship, they've started making plans for the future. This is just a normal conversation of two people in a relationship.
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it is annually celebrated from September 15 to October 15 in the United States for recognizing the contributions and influence of Hispanic Americans to the history, culture, and achievements of the United States.
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Responding to the demands of the Irish and Germans, the state of California enacted the Foreign Miners' Tax in 1850. The tax was designed to discourage immigration by removing an economic incentive for moving to the United States or remaining in the country
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