anova

  1. M

    What statistical Test should I use? Anova?

    I have to compare the impact of incentives on an App users (If they avoid using cell phone while driving). The variable is discrete (Number of time they use phone while driving). The first sample is users in Jan-Feb without incentive (smaller in size) and the second sample is users in March with...
  2. H

    precision assessment of an experimental method

    Hi everyone, I have a very basic knowledge of statistics so apologies if the question is not formulated in appropriate terms. I really hope to get some help from you on this. I have data comprising a response variable and three predictor variables (a,b,c). I would like to assess the...
  3. J

    what type of ANOVA should I use?

    population =30 Breaking it down Number of male participants =20 Number of Female Participants = 10 Number of Working Participants(W) = 8 Number of Non-Working participants(nW) = 22 I surveyed the students and here are given the raw datas (multiple choice for question number one)...
  4. V

    Block design anova

    I have a question about what the most appropriate anova design is for my data. I am posting here because I cannot seem to get the search function to work. I have data from an ecological restoration project. It was carried out using 6 plots, 3 restored and 3 non-restored. Restored and...
  5. M

    Choosing the correct analysis

    Hi everyone, Really needing help with choosing the right analysis for my variables. Background: I'm looking at the difference in amplitude for reaction times of negative, positive, and neutral words. The IV: reaction times (negative, positive, neutral words) The DV: amplitude...
  6. L

    Analysis, Thesis on Mindfulness

    Hey guys, I am currently struggling with identifying the appropriate statistical method for my bachelor thesis. Participants are measured over 2 different points of time (t1, t2), separated by 8 weeks. Each measurement assesses V02 as the first dependent variable (1) over four different...
  7. M

    Statistical test for ranked data among 3 groups - ANOVA or Kruskal-Wallis?

    Hi all, I've read several books but I am not sure which statistical test to apply and whether my thinking is correct so I would greatly appreciate any help. I conducted a survey among three independent groups (managers N=110, analysts N=105 and investors N=80) and in one question I asked...
  8. M

    Test for ranked data among 3 different groups - ANOVA or Kruskal Wallis in SPSS?

    Hi all, I have read several books but I am not sure if my thinking is correct and would greatly appreciate if someone could help me. I conducted a survey among three independent groups (managers N=110, analysts N=105 and investors N=80) and in one question I asked them to rank, based on...
  9. L

    SPSS - repeated measures ANOVA (1 between subjects factor, 3 within subjects facotrs)

    Hi! I'm using a windows 10 system and SPSS 23. I'm struggling with the procedure to analyze my data. My design has 4 factors: 1 is a between subject factor (there are two different groups of people that I tested) and the other 3 factors are within subjects (size - 9 levels, pattern - 4 levels...
  10. C

    Generate Grouped Data with Exact Correlations, Means, and SD

    want to generate data with the following constraints. There is one factor and two numeric variables. Note that the desired mean structure is broken down by factor, which is what makes this a challenging problem. Correlation between two variables is set (e.g., .50). Mean/SD for group (there...
  11. M

    [Statistica - Nested Anova] How to do a two-way nested anova?

    Hi, I'm trying to do a two-way nested anova in Statistica, but the results do not seen to be a two way model. In my study I need to compare if the abundances (of taxa) differ between my 5 sampling units (sites) considering 2 periods (spring and auttumn). So, I have 2 randon factors (site and...
  12. C

    blank spaces on SPSS output

    Hi, I am running a 2x3 repeated measures ANOVA. My IVs are both categorical variables and my DV is a continuous variable - score (out of 200). Firstly, I am having a problem with the ANOVA output. The main efffect of one variable, the output is coming out with no significance, no F-ratio...
  13. N

    Question regarding RM ANOVA

    Dear readers, I have a question regarding my output from the repeated measures ANOVA. For my paper I have hypothesized that Dutch, masculine voices in men were more attractive than foreign, masculine voices in men for a short-term relationship. My results from the three-way RM ANOVA were...
  14. N

    Question regarding RM ANOVA

    Dear readers, I have question about my Repeated measures output. I wanted to check for my hypothesis (whether Dutch, masculinized voices in men were more attractive then foreign, masculinized voices in men for a short-term relationship) a three-way interaction between...
  15. N

    Question regarding Repeated measures 3-way ANOVA for thesis

    Dear Readers, I am new to this forum and I have a question regarding my output/researchdata. I am currently analyzing my hypothesis with respect to masculinity preference for voices (masculinized voice/feminized voice) and mating strategy (short-term/long-term). My hypotheses is that(a)...
  16. H

    2-way4X3 Factorial ANOVA--does this require repeated measures for correlated errors ?

    I am comparing different methods of estimating water use from irrigated land. I have 2 factors: Irrigation Type (a,b,c,d--these are irrigation polygons representing the various methods selected randomly in a GIS--however they are intact groups and were not assigned "treatments" at random) and...
  17. A

    Need your kind help regarding ANOVA (Your comment will be highly appreciated)

    This is a true/false question of my business statistics course. Please let me know if it is true or false and also kindly provide a brief justification / explanation. Thank you so much. Much obliged. "In ANOVA (Analysis of Variance), both the dependent and the independent variable must be at...
  18. U

    Is it possible or meaningful to run an ANOVA on only two groups?

    Hi, we have been given a bunch of homework questions and i can't seem to work this one out. "Is it possible or meaningful to run an ANOVA on only two groups?" I've tried to google it numerous times but nothing good that is directly targeted against this pops up. I understand that some...
  19. 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...
  20. W

    ANOVA? Looking at percentage habitat use (6 different habitats) across four seasons

    Hi, I am trying to look at whether habitat use of 6 different habitat types differs across 4 seasons. I have managed to run ANOVA tests but I'm not convinced this is correct. The code I have been using is as follows; an.aov=aov(Month~Heathland) an.aov summary(an.aov)...