On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions.

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Single case design uses the reversal design that allows an interrupted time series study of participants. In this case, the baseline is established for the dependent variable, and the second phase begins after the baseline is stable. Thus, the researcher waits until the changes due to the test variable reach a steady state. Similarly, a single-case design eliminates the problem where the different independent variables produce unclear results. In addition, it confirms that the changes are from the variable rather than external factors. Therefore, single case design utilizes the aspect of reversal design to increase the internal and external validity of the study.

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Academic.Tips. (2022) 'On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions'. 23 December.

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Academic.Tips. (2022, December 23). On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions. https://academic.tips/question/on-the-surface-it-seems-that-a-single-subject-design-would-be-prone-to-numerous-serious-threats-to-internal-and-external-validity-however-this-is-considered-a-relatively-strong-design-explain-why/

References

Academic.Tips. 2022. "On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions." December 23, 2022. https://academic.tips/question/on-the-surface-it-seems-that-a-single-subject-design-would-be-prone-to-numerous-serious-threats-to-internal-and-external-validity-however-this-is-considered-a-relatively-strong-design-explain-why/.

1. Academic.Tips. "On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions." December 23, 2022. https://academic.tips/question/on-the-surface-it-seems-that-a-single-subject-design-would-be-prone-to-numerous-serious-threats-to-internal-and-external-validity-however-this-is-considered-a-relatively-strong-design-explain-why/.

Bibliography

Academic.Tips. "On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions." December 23, 2022. https://academic.tips/question/on-the-surface-it-seems-that-a-single-subject-design-would-be-prone-to-numerous-serious-threats-to-internal-and-external-validity-however-this-is-considered-a-relatively-strong-design-explain-why/.

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"On the surface, it seems that a single-subject design would be prone to numerous serious threats to internal and external validity. However, this is considered a relatively strong design. Explain why and under what design conditions." Academic.Tips, 23 Dec. 2022, academic.tips/question/on-the-surface-it-seems-that-a-single-subject-design-would-be-prone-to-numerous-serious-threats-to-internal-and-external-validity-however-this-is-considered-a-relatively-strong-design-explain-why/.

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