Experimental study sample size?

More Tharishni Anblagan's questions See All

Bonferroni correction. I have independent t-test, paired t-test and ancova conducted. Which test would require Bonferroni adjustment?

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Five likert scale or four likert scale for agreement?

There has been various read up on four verses five likert scale. What would be the best to follow to study the level of agreement of the informant? Thank you and God bless.

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Cohen Kappa or Cronbach Alpha for reliability?

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28 November 2023 3,710 0 View

Back translation enquiry?

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Content validity experts?

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04 September 2023 6,430 0 View

How can we validate interview transcripts?

Would member checking and external auditor sufficient?

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What type of sampling to use when I have more than 1 category of disabilities in the classroom? My target mild autism student for quasi experimental?

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Back to back translation in a cross cultural study

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Enhancing Critical Thinking Skills for Slow Learners: A Review of Empirical Studies?

to identify themes in question with APA style references

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Are there any instruments for studying time similar to the way it is in space?

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RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

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Are there any good simple systems or platforms to recommend?

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If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

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How to report results of Generalised Linear Mixed Models in a journal article?

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Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

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Senescence-associated beta galactosidase staining is False Positive in control group?

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Are current regulations effective in preventing cancer caused by toxins?

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How to calculate effect size of AMCE (Average Marginal Component Effect) in Randomized Conjoint Experiment?

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Blaine Tomkins

The experimental and control groups should be roughly equal in size, but it's not essential that they are exactly equal.

The more important question is whether the residuals are roughly normally distributed in each group - as most traditional NHST tests make this assumption.

Tharishni Anblagan

Thank you Dr Blaine. I appreciate your response:)

Deborah J Hilton

I think I agree with the above answer

Thank you Dr Deborah:)