research design

  1. A

    Power analysis for moderated mediation (and a small research design question)

    Hello guys! I am doing research on the effect of a specific medicine, quantified by dosage, on specific feelings (to be called; SF), mediated by feelings of connectedness, in which the relationship between the medicine and SF (X - Y) ánd the relationship between medicine and connectedness (X -...
  2. I

    Regression analysis across multiple data sets

    Hi All. I'm new to this forum but I have a background in stats and in business/social science research. I'm in the early stages of designing a research study that will analyze a large dataset for about 100 publicly traded companies. There will be about 10-20 independent variables for each...
  3. E

    Engineering Research, starting to look at statistics

    Hey everyone, This will be my first post on this forum. I'm an engineering grad student and I have a little experience with statistics,but not enough to be able to do a sound analysis. I've completed my system design and will start looking at data collection. My primary aim is looking at...
  4. J

    ? Correct research analysis

    Hello I am currently applying for research ethics for a project however i cannot get my head around the correct statistical analysis for my project The problem i am trying to answer is that there are several reference values to score a participants breathing test score against. I am...
  5. T

    I need help with my regression analysis for research capstone.

    Hi all, I'm new to regressions and also new to posting here. My topic is: How have E-books Affected College Textbook Prices? My hypothesis is: H0: The CPI for college textbooks will fall with the introduction of the e-book because increased innovation and competition causes an...
  6. C

    Methods and Data Analysis for Experimental Study Design

    Good day! I am working on my methods section for my dissertation proposal and want to ensure I am thinking through my methods and data analysis correctly and using the appropriate statistical tests. I plan to collect data this fall. Thank you! Purpose Statement This purpose of this...
  7. L

    Power and sample size calculation for neuroscience

    Dear TalkStats, I have searched the forum but cannot find the answer I am looking for, if you could help that would be great! I am recording cells and their action potential frequency in two conditions (group 1 and group 2). (So it is a repeated measures.) How do I calculate the required...
  8. L

    Question about type of research

    Hello guys!:) I wonder whether anyone of you who is killing in statistics could give an advice. I am writing my master thesis at the moment. The first part of my research is planned to be focused on the sample of N oilservice firms, in other words, firms in the same industry. What i want...
  9. E

    Research Question Statistical Method

    In a study by Lapidus et al., one of the research questions was whether the proportion of physicians who screened patients in the emergency department (ED) for domestic violence (DV) was the same, regardless of locations of practice (urban, suburban or rural). (a) To answer the research...
  10. T

    Design to use?

    If I want to test music use for social reasons against music use for personal reasons and scores on an emotional wellbeing questionnaire, would this be a Factorial Independent Anova (two IVs) or an Independent t-test? Or would it be better to do a correlational design? I would be testing on two...
  11. M

    Master Thesis research Proposal questions

    I have no idea how this works so I'll just post my questions ^^. What is meant by "validation study"? The way I understand this is to first check construct validity and reliability of a given model in a different population. Is this correct? Secondly I have the following data: Original...
  12. H

    Statistical test to use

    Hi all, I really need some help on deciding what stats test to use :) I have conducted an experiment looking the what effect wearing minimalist shoes for eight weeks has on three walking variables (stride length, Stride frequency and walking speed). All participants came to the lab to have...
  13. S

    Rsearch Design

    Hi, I am currently writing my dissertation. My lecturer told me my research design is repeated measure with multiple groups, however she is currently off on sick leave and have been told other lecturers can not help me. I am questioning her choice (unwisely probably), as I can not seem to...
  14. B

    which statistical analysis is suitable for this study?

    Hi guys, Briefly describing the study: - 1 IV with three levels (boring, neutral, & fun condition) - 3 DV's (time perception, task rating, mood) - Each subject takes part in only one of the three conditions (between subjects) What I'm confused with is whether this is a mixed design or a...
  15. K

    Repeated Measures, Manova etc.???

    Hi, I am really struggling to find a design that suits what I want to test for so would really appreciate some help :) Basically I have one IV, 'sleep' with 2 levels (varying sleep times). I have two DVs, 'self-esteem' and 'performance on a mathematical test'. I want to test both groups...
  16. A

    What is the role of relational databases in research design and hypothesis testing?

    I am taking a database management course with a focus on relational databases as part of the requirements of a degree program. One of the course requirements is to apply relational database techniques to a case study. In other words, students have been asked to identify a hypothesis and research...
  17. E

    Coding Data

    I am examining the relationship between employee level of education and the severity of their disciplinary offenses. I coded education categorically as (1=High School, 2=Associates, 3=Bachelors, etc...) Next, I coded disciplinary offenses using the agencies already existing disciplinary...
  18. D

    Mix Methods design

    Hi All, I'm a bit confused on which design method I'm using. At one point it was a quasi-experimental nonequivalent group design. Here are some details: 1) I had a control group and an experimental group. 2) They were pre-existing self-selected groups (the groups were pre-existing and...
  19. R

    Political Science - Measuring civic participation

    Hey everyone. I'm a undergrad senior working on a thesis involving Facebook and civic participation. I've recently realized my research paper's idea is based off of ill logic. What I'm trying to do is survey students at my university on their use of Facebook for civic purposes (gathering...