Evaluating Significance of Findings

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Question description

Critically evaluate the two scenarios below based upon the following points:

  • Critically evaluate the sample size.
  • Critically evaluate the statements for meaningfulness.
  • Critically evaluate the statements for statistical significance.
  • Based on your evaluation, provide an explanation of the implications for social change.

Below are the two Scenarios:

1.

The p-value was slightly above conventional threshold, but was described as "rapidly approaching significance" (ie., p=.06).

An independent samples t test was used to determine whether student satisfaction levels in a quantitative reasoning course differed between the traditional classroom and on-line environments. The samples consisted of students in four- face- to- face classes at a traditional state university (n=65) and four online classes offered at the same university (n=69). Students reported their level of satisfaction on a five - point scale, with higher values indicating higher levels of satisfaction. Since the study was exploratory in nature, levels of significance were relaxed to the .10 level. The test was significant t(132) = 1.8, p = .074, wherein students in the face-to-face class reported lower levels of satisfaction (M = 3.39, SD = 1.8) than did those in the online sections (M = 3.89, SD =1.4). We therefore conclude that on average, students in the online quantitative reasoning classes have higher levels of satisfaction. The results of this study are significant because they provide educators with evidence of what medium works better in producing quantitatively knowledgeable practitioners.


2.

A results report that does not find any effect and also has small sample size (possibly no effect detected due to lack of power).

A one- way analysis of variance was used to test whether a relationship exists between educational attainment and race. The dependent variable of education was measured as number of years of education completed. The race factor had three attributes of European American (n = 36),

African American (n = 23) and Hispanic (n = 18). Descriptive statistics indicate that on average,European Americans have higher levels of education (M = 16.4, SD = 4.6), with African Americans slightly trailing (M = 15.5, SD = 6.8) and Hispanics having on average lower levels of educational attainment (M = 13.3, SD = 6.1). The ANOVA was not significant F (2, 74) = 1.789, p =.175, indicating there are no differences in educational attainment across these three races in the population. The results of this study are significant because they shed light on the current social conversation about inequality.

Tutor Answer

Emilyprofessor
School: UT Austin

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Evaluating Significance of Findings

Institutional affiliation

Date
Scenario 1
Sample size
Basically, scholars have an argument that there does not exist standard sample size.
Nevertheless, it is vital to comprehend that the sample size is required entirely dependent on the
nature of the research questions, the study objective, and the resources available. Moreover, the
findings are used gauged in accordance with the sample size. A sample that is not representative
leads to sampling error. Sampling errors are the dissimilarities that arise between statistics and
the parameter population because the sample size is not an exact representation of the population
from which it was drawn. Base on the scenario, the sample size was well represented. The
sample size was configured as (n=65) and (n=69) whereby each showed a class is quite standard
since a standard class is averaged about (n=50). Therefore the traditional and online students
have been represented well in this survey (Wagner, 2016).
Statements for meaningfulness
In conclusion of the scenario, students in online classes have a higher level of satisfaction on
average. The results of the scenario are substantial as they provide mentors with the suggestion
of wh...

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Anonymous
Excellent job

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