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Questions related from Amna Khan
Is there a validated tool (survey based questionnaire with a likert scale) to assess the feedback of teachers regarding the technology professional development (teachers feedback on training - who...
03 December 2022 2,932 7 View
My pre and post tests contain blend of questions such as fill in the blanks; mcqs; true false; short answers. How am I suppose to check its reliability? The results are not significant. With in...
06 June 2017 8,689 4 View
I want to compare Student confidence observed during intervention(5 days) between control and treatment groups. This variable was recorded during 5 days of the intervention. Which test should I...
30 December 2015 377 5 View
In one of the tests based on likert scale, the number of respondents are 5, whereas the number of items are 13. However, Cronbach's alpha value is unacceptable. What should be the ratio of items...
23 December 2015 7,960 6 View
Since I wanted to compare males' scores and females' scores with in treatment group. Which of the following tests should I use: Wilcoxon Test or Mann Whitney U test? I am in doubt.
09 December 2015 6,294 4 View
It is hard to select research design approach being followed in my study. Since I did not randomly select(draw) sample from a population but I randomly assigned the 100 students equally to the...
29 November 2015 9,052 3 View
Since, in my study , two null hypothesis have been accepted out of three ;for instance, an app has no affect on learning motivation. What does it contribute? Or does it make any difference?
29 November 2015 275 9 View
Please suggest me an easier way to report the results of Spearman's correlation. Though the matrix is lengthy i-e; 12 X 12. How can I report it in least word count(around 200)?
06 November 2015 4,933 4 View
Since the data was not normally distributed, so I went for non-parametric test equivalent to Independent samples t-test. The sample size of group A is 13 and B is 18. The value of Mann Whitney U...
29 October 2015 3,788 7 View
The p-value= 0.050 is considered significant or insignificant for confidence interval of 95%. or the result is inconclusive? And what about p-value = 0.053?
27 October 2015 8,434 99 View
I conducted two types of test before and after experimental process; A and B. Since I am testing the effect of tests on two groups; Control and Treatment. The original sample size was 100 i-e; 50...
23 October 2015 3,036 2 View
As my data set is not normally distributed, so I used a proper way to detect outliers and trimmed them later on. Even though after trimming, the data set is not normally distributed which violates...
23 October 2015 5,872 9 View
Which statistical test is used to analyse cause and effect relationship between two variables independent of any grouping variables? To get a more clear picture of this, let me illustrate it with...
22 October 2015 4,567 22 View
