Internal And External Validity In Leadership Research

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Are you a born leader? What makes one leader effective and another leader noneffective? These are but a few of the questions asked in the research community in analyzing what constitutes a good leader. Leadership research has for over a century tried to determine the traits of an effective leader. Over the years, emphasis has changed from characteristics, to situational influence, to behaviors. This paper will examine: the meaning of control and randomization samples, how size and randomization of sampling influence validity, internal and external validity in leadership research, and why leadership research is critical to the leadership profession, both in profit and non-profit realms.
Control and Randomization Control and random sampling …show more content…

Creswell (2009) stated, “data, evidence, and rational consideration shape knowledge. In practice, the researcher collects information on instruments based on measures completed by the participants or by observations recorded by the researcher” (p.7). After data has been collected it can be illustrated by descriptive statistics, results would then be generalized to the study population. Research findings can help companies reevaluate leadership roles or how to transition current staff into effective leadership roles. Changing leadership has been explained by ASHE (2006) as “social constructivist theory suggests, is an evolving concept that has changed over time as social mores and beliefs have changed, then researchers will continuously reconstruct new visions that fit the emerging social understandings and needs” …show more content…

This is important because it provides proof that the observed outcome “B” of the test was caused by what the study “A” did. Applying this to the leadership research example being used; internal validity would be that the common traits of intelligence, and credibility were caused by the survey given. Three factors that could have negative affect, or threaten internal validity are: history, maturation, and attrition.
History refers to an event has transpired during or before the research testing that change the result of the study. History applied to the leadership example could mean the older generation of employees that grew up in times of war, may choose leader traits such as structured,

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