correlation analysis

  1. L

    Correlation Question

    I have to do a correlation analysis for a paper and I don't have much experience in practical work. My data looks like this: The two variables have a linear (but not monotonic?) correlation but I think it is not normally distributed (last picture) and I wanted to ask if I can still do a...
  2. T

    Help URGENT deadline!! What data analysis method should I use to test the effect 1 variable has on 3 other variables ?

    Hello, I’ve just joined and am in need of any help that I can get. Basically I wanted to test whether phubbing ( snubbing someone to use your phone) impacts relationship satisfaction, sense of self-worth and respect for your partner. Does anyone know what statistical analyses I would need to...
  3. I

    Need help with my thesis

    Hi all! I am new to statistics (self-taught since I need it for my thesis) and I have a question that I haven't been able to find an answer to yet. For my thesis I want to find out whether there is any relationship between how students and their teachers answer a likert scale questionnaire...
  4. Z

    Correlation evaluation

    Is there a single statistic which can reflect the different importance between similar correlations, say 0.7, based on different sample sizes such as n=10 and n=1,000?
  5. C

    Correlation vs. Means Plot

    Hey guys, for my master thesis I conducted an experiment and received for two variables means plots, that I will attache below. They were the result of two one-way ANOVAs. I wanted to test if the scores in the two variables differs significantly in three conditions. The next step would be a...
  6. N

    How to show frequency data in analysis using Spearman's Rank?

    Hello, I am interested in finding out if there is any correlation between the the values that people ascribe to certain green spaces and the land cover type. (E.g Do people feel closer to nature in areas with water?). In my study I have a map of my study area and people can place up to three...
  7. W

    Bootstrapping pairwise not listwise, a problem with N

    Hi! Hoping someone more statistically minded can help. I have a number of variables with different N (they are performance measures and some have been removed due to not understanding the task). I want to bootstrap the correlations but when I do this in SPSS it excludes listwise rather...
  8. T

    Which correlation test when researching the effect of previous success on change?

    Hi everyone, I'm doing research on business owners, who have started multiple businesses. I had a sample of 2500 businesses and looked at the business owners' success rate from their first to last business. That gave me two groups: 1) business owners who were SUCCESFUL in their first business...
  9. H

    Association/ correlation binary and continuous data non-normal distribution

    Hi, I want to perform an association analysis between a binary (dichotomous?) variable and continuous variable. The binary variable is whether something is present or not, "Yes" or "No"/ "1" or "0" .... etc. The continuous variable are numbers between ~150 and 170~. The continuous variable is...
  10. S

    Can you use correlation for percentages?

    I have two variables: the number of employees who work from home in the firm and the number of independent contractors in the firm - and I have this data for 70 firms. I am trying to determine what statistical measure of association I can use to determine whether there is a relationship...
  11. K

    SPSS Correlation of single variable and independent variables

    Hello, I am working in spss 23 and I'm stuck. I have data for which I am attempting to determine if certain color of a personality (there are 4 values) have a significant correlation with how respondents answered to 12 leadership styles. I have entered my data into SPSS...I just cannot remember...
  12. M

    Evaluation of correlation trend

    I would like to ask you for help and advice regarding one comment I received during the peer-review process for manuscript I submitted. My colleagues and I explored the validity of new instrument for estimating habitual nutrient intake. We compared it with another (reference) method using...
  13. O

    Comparing time lag between two data sets

    Hi, I am trying to compare two data sets available for x number of historical months. These are two different types of claims, i.e. first party claims and third party claims. We know that third party claims will increase if first party claims increase and vice versa, after a lag of few...
  14. A

    Correlation (Relationship) study survey - SPSS - Tests to be conducted?

    Hi I have collected data (n=84) for a study on the impact of non-financial reward satisfaction on employee's intention to stay in the organisation. My survey [Attached the copy of my survey] consists of 1-5 Likert Scale [V.Satisifed to V.Dissatisfied] ; Yes,maybe,no ; Importance...
  15. R

    Power Analysis

    Hi there, I am currently writing a statistics report which has to cover 2 questions: Firstly, what the correlation is between two different test scores of 30 participants. Secondly, what the power of the study is. I am really struggling to grasp what the pro's of doing a post-hoc power...
  16. J

    Find Correlations

    Let's say I have some samples, that I gathered per second, like these Number km Benzine Speed Weight 1 10 100 80 100 2 20 90 100 120 3 30 80 80 110 with thousand of samples and more than twenty features (like speed and...
  17. I

    Ordinal survey, 2 groups: looking for correlation between groups

    Hi I have an ordinal data set across 50 survey questions (same response scale for each question). The data is non-normally distributed for each question, and isn't suitable for conversion to interval data. Much simplified example attached. I need to be able to test if there is a...
  18. J

    How do I test the significance of my correlation coefficients for various regressions

    Hi, I have a set of 25 points and I used a TI-84 calculator to calculate the linear, quadratic, logistic, exponential, and power regression models for this data set. I have, likewise, obtained the r^2 value for each of these regressions. Some of these r^2 values appear to be quite similar. For...
  19. E

    Need Help with Correlation

    Hi, I am trying to figure out the best way to calculate correlation with data I have for my business. Here is an example of what I the fields: Sale Amt - numeric Sold - yes or no State - lists 1 of 50 states Industry - lists the industry of the buyer Lead Source - lists where the lead...
  20. T

    Correlation

    I have a list of 100 observations. One variable describes the sex of an individual (male or female); the other variable describes the number of times the individual blinked during the observation. (30) of the (100) observations are with men and (70) are with women. Sample sheet attached. How do...