Questions tagged [methodology]

For questions about statistical methodology or choice of statistical methods.

352 questions
6
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3 answers

Resources or methods for determining if a technique is in current use?

I know that this question is hard to answer, but I was wondering how you would determine if a statistical technique was in current use, or if it had a heyday a couple of decades ago but it's either been superseded by newer techniques or perhaps it…
Wayne
  • 21,174
5
votes
1 answer

Can Goldman Sachs' economists predict who will win the World Cup?

Goldman Sachs decided to apply their brains to predicting the winner of the World Soccer cup. They built a statistical model analyzing past winners. I read about it here, but the original version is in here. But I wonder why would results of past…
4
votes
2 answers

Measure to capture clustering in time based event

I am searching for a good measure to capture clustering in time based events. Say that for a given interval of 5 minutes, cars randomly pass in front of house ... say one car at every 10 seconds (for a total of 30 cars). For another interval of 5…
CharlesM
  • 573
3
votes
0 answers

How to quantify potential of cheating

Due to the lockdown where I am students have taken exams at home. This obviously opens the easy possibility of cheating. While marking, I noticed two scripts had solutions and methods that were remarkably similar if not the exact same. I am thinking…
Geoff
  • 501
2
votes
2 answers

Method to find pattern

Assume I tracked the behavior of users when they visit a Website. In detail I track the movement from which site to site they click within the Website. So I have a lot of tuples with (userID, site, time). Now I want to visualize if there are any…
Klaus
  • 451
2
votes
0 answers

Is Fisher's Exact Test appropriate to use in this case?

Very bad at statistics, and trying to figure out how I am going to analyze the data of a survey that I sent out (I haven't yet looked at the data). Basically the survey has five-point Likert-style questions (Strongly Disagree to Strongly Agree). I…
2
votes
2 answers

How to statistically test whether breastfeeding support influences breastfeeding initiation and duration?

I would like to know which technique is appropriate for analyzing data collected via self-administered survey. Some background information follows: Topic: Breastfeeding support and the workplace Setting: University campus Sample size: 30-40 working…
1
vote
2 answers

How do I best show that Likert-responses for one set of questions differ from another set of questions tested in the same population?

Let me preface this by saying I am very new to research / statistics so I don't know much and I apologize for the basic questions. I have data from a Likert-type survey (Strongly Disagree, Disagree, Neutral, Agree, Strongly Agree) that consists of…
Radish
  • 11
1
vote
1 answer

What type of statistical analysis should I use?

I have collected data for 30 patients for a certain test. This test was administered at 6 different but consistent intervals, and each test for each patient has lots of variables. If I want to do an analysis that compares both the differences among…
Chris
  • 11
1
vote
0 answers

Can anyone recommend me any literature that discusses the advantages/pitfalls of using proxy measures and additive indices?

Trying to find some literature on the topic (especially as it pertains to social science research) to increase my theoretical understanding. Any recommendations will be much appreciated. Thanks!
1
vote
2 answers

Paradox of making conclusions too fast

I would like to ask what method do you use in statistic, to avoid making conclusions too fast. For instance. Country natural resources vs poverty Observing Nigeria for example, may lead you to conclude that the richer a country is in natural…
1
vote
1 answer

Methods to quantify if the sum of two variables is close to a constant

In my data set, each individual has two properties, a and b. It seems that a + b is close to 10. Which statistic method could I use to test if this is true? I really appreciate your help! Person a b 1 2 8 2 2 9 3 3 7 …
Kevin
  • 113
1
vote
0 answers

Statistics choice cheatsheet - anything else better?

Is there a more comprehensive Statistics choosing framework than the following: from Charlie Kufs from Stats with Cats Blog
VanJeer
  • 101
0
votes
1 answer

Can I flip the endpoints of my Likert scale?

I am using different validated scales for my survey and most of them go from negative (disagree) to positive (agree) endpoints. In order to ensure usability, I would like to keep all scales with such logic. However, I have one that is the other way…
Misha
  • 1
0
votes
2 answers

Pre-test and Post-test

I have some questions about pre-tests and post-tests: Can I have different items (questions) for pre-test and post-test? Or is it necessary to have the same item? Can post-test be used as a summative assessment? Can post-test be used to evaluate if…
sammyyy
  • 51
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