# Questions tagged [qualitative]

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### Can the outcome of a fuzzy set Qualitative Comparative Analysis (fsQCA) can be a crisp set？

For example, I aim to analyze factors such as age, IQ, and other variables that impact whether individuals enroll in college. Is it appropriate to use fsQCA and code the outcome variable as 1 or 0?
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### Am I using the appropriate statistical comparison tests & applying them correctly to my qualitative coded data?

I am trying to determine if I am using the correct statistical tests in making comparisons & finding out if there are any statistically significant shifts of student attitudes. I have three open ...
1 vote
66 views

### Choosing the right statistical analysis for my data

I have 20 field plots. In each plot, I have taken between 1000–1500 measurements (continuous values) of a given variable using an instrumental device and recorded information qualitatively through ...
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### "Successful projects share the same 5 keys qualities. In each quality our project achieves over average score". What can we conclude about this?

I'm not sure if this is a statistical problem, but I suppose it's a frequent problem involving using statistics, so I ask here anyway. Hope it's on-topic. From the book Smart Pricing: How Google, ...
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### What is mixed methods research?

I tried to look up the answer but am confused by what this means exactly. It seems like one is a precursor to the other, thus you need both to conduct a study unless you're working with existing data. ...
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1 vote
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### How to Ensure Saturation Using Grounded Theory?

In quantitative causal inference, we do power analysis to determine the minimum sample size to achieve (1 - $\beta$) statistical power of our hypothesis test with a specific $\alpha$ statistical ...
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### Qualitative data analysis for statisticians?

Occasionally in my professional work, I've run into the need to analyze qualitative data. Because of some assistance I've had from non-statistician colleagues, I've learned about techniques such as ...
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### Testing whether the levels of a qualitative variable are equally effective

To ultimately increase the demand for Fresh Detergent, Enterprise Industries' marketing department is conducting a study comparing the effectiveness of three different advertising campaigns. These ...
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79 views

### Comparing two sets of proportions/percentages from related samples (bibliometrics, qualitative data)

I'm a newbie in statistics and bibliometrics, so I'm quite lost right now. I have two sets of data, A and B, both of them with frequencies of topics or subjects used in translation research ...
• 1
31 views

### Qualitative analysis

Which test can I use for smaller data sets (<5 in a single cell, <20 in group, although N>500) but for larger grids (3x4, 4x5 etc.)? Chi-squared test can be used for larger grids but not for ...
1 vote
216 views

### Using qualitative data (numerical) for prediction

Let's try and look at this with an example before I get into my questions. Let's say you're trying to predict the number of Oscars a movie will win. With qualitative data we can clean and plug in a ...
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1 vote
126 views

### for which variables in panel data i should do stationary test?

i have a panel data and my dependent variable was stationary according to ADF test.now i dont know should i test it for my independent variables too or not? btw does it make sense to take stationary ...
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3k views

### Standard Deviation in qualitative sample

Can there be a meaningful standard deviation for qualitative data?
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1 vote
145 views

### Plot of two ordinal variables?

It is common to represent various (ordinal, social) attributes on a pair of axes as in the examples below. In general, what is this sort of graph/representation called? It is, perhaps, useful to ...
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### Difference between continuous and non-continuous data . [duplicate]

In a dataset "survey", pulse and age are given as non-continuous data. how come these age and pulse can be non-continuous? this is the reference link https://explorable.com/discrete-variables
78 views

I am having an issue that I can't find an answer to. In my research, I have a mixed qualitative/quantitative survey (roughly 30 participants). One of the participants answered 3 out of 5 qualitative ...
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### Intercoder reliability without mutually-exclusive codes

I have the results from qualitatively coding the contents of ~100 images, with 7 categories and 96 tags in total. It's incredibly difficult to define mutually exclusive codes for the content we're ...
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79 views

### Eliminate Qualitative Predictors (working in R)

So I'm a totally newbie to the field of statistics. I'm working on a project where I have a quantitative dependent variable that I'm supposed to predict using a mixture between quantitive and ...
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111 views

### Reliability and reconciliation for multiple open-coders

I recognize this may be partly a question for qualitative researchers, but I'm not sure which Stack Exchange is theirs. The basic context is that we have a series of text excerpts from newspaper ...
• 1,155
63 views

### Regression qualitative explanatory variables

I am trying to run a regression, taking StudentMarks as the dependent variable and regressing this on the following variables: Nomadic/Semi Nomadic: if the Child lives in a nomadic family then ...
1 vote
72 views

### Design of experiments. Parameter measurement not continuous

I'd like to do a design of experiments which involves 4 factors, I haven't decided which design yet, prolly, Taguchi or fractioned factorial one. I used to work with measurable effect but in this ...
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331 views

### CDT for Multiple Correspondence Analysis (MCA): what if there are multiple modalities selected for one variable?

I have the following set of qualitative data: ...
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### How to do future prediction with year as a qualitative predictor in regression model?

This is a general question. Hypothetically, I have a polynomial regression model where year is a qualitative predictor with multiple classes, converted into binary dummy predictors. E.g., if I have ...
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155 views

### Is it desireable to analyse questionnaire responses with standard methods of statistical analysis? [closed]

I'm a bit puzzled how to analyse self-report questionnaires (for example psychometric studies). For example, consider a standard Hamilton Rating Scale for Depression which comprises 21 items with ...
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1 vote
540 views

### NVivo IRR Test of Content Analysis Data: How do I interpret each row of Kappas?

I am currently working on a research project that involves content analysis of secondary published data (corporate sustainability reports) by U.S. companies. In order to capture the data, I and two ...
1 vote
1k views

### After calculating inter-rater reliability, which data (e.g. consensus data?) should be used for further analyses?

My study used 2 raters in a fully crossed design to code 1) a categorical variable and 2) a continuous variable (i.e counting the number of times something happened). My question is, after ...
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1 vote
47 views

### Simulating qualitative interaction in survival analysis

I am trying to simulate the survival data that can fit the model: $$h(x) = ho(x) exp (a_0*Treatment + a_1*Treatment*x_1 + a_2*Treatment*x_2)$$ Whereas treatment is an binary variable (0 = control ...
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### Regression with Quantitative and Qualitative independent variables

I'm new to statistics and I would greatly appreciate any help on this. I have a response (heart beat, a numerical variable) and five other independent variables. Four are numerical (Age, Weight, ...
1 vote
3k views

### Categorical or Quantitative?

A colleague and I had a conversation about whether the following variables are categorical or quantitative. 1) Social security numbers 2) Phone numbers 3) Postal zip codes We agreed that all three ...
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1 vote
46 views

### Level of significance for qualitative ordinal data

I have three sets of qualitative data (n=20). Each has four categories (0,1,2,3) with the data shown in percentage. What would be the best way to show if the differences between them are significant? ...
914 views

### What type of regression for qualitative dependent variable

What econometric analysis can be used to study the impact of quantitative independent variables on a qualitative dependent variable? Basically, how do I do conduct a multiple variable regression where ...
3k views

### Labels for correlation coefficients

How could we attribute labels for correlation coefficients in order to facilitate reading the data specially for non-technical people or in qualitative analyses? For example: $\rho > 0.9$ - ...
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### How to compute Kendall tau for more than two variables

I am new to statistics. I decided to use Kendall tau correlation. I want to find correlations between every variable of the data set. (For example, if there are three variables in the data $x, y$ ...
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### Qualitative or quantitative?

If I went through a box of candy which contains 4 types of flavor (orange, grape, apple, strawberry) and recorded the number of each flavor in my worksheet, what is the type of data that it is ...
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### Data capture in psychological treatments - nonmandatory random repeat questions

this is a query for approaching a prospective exploratory study in psychological treatments It is not very easy to monitor response to psychological interventions. Usually there are standardized ...
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1 vote
18 views

### Quantitative method to determine necessary and sufficient causes [duplicate]

I am attending a qualitative methods conference in social science, and one of the speaker argues the following. In the two graphs below, a researcher using regression would see two regression lines ...
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1 vote
570 views

### Comparing Percentages Between 2 Groups When Each Group's Total Percentage Exceeds 100

I am comparing the rate of specific Response Patterns A through L among students in Group 1 vs. Group 2 (rates for the first five patterns are exemplified in the table). These are response patterns ...
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1 vote
56 views

### Trying a multivariate analyses on time series (with R)

I got measures of one variable (that behaves as a time series) for different conditions (some quantitatives, but mostly are qualitatives). For example, this is a "fake" representative plot of this ...
1 vote
12k views

### Correlation between quantitative and qualitative variables

I have a dataset composed by 5000 observations. Each observation contains the income per year of a person (from 50 to 50.000.000) and the fact of having a car (yes/no). I would like to check if a ...
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