# intervention

1. ### Questions concerning the analysis of my Data

Hello everyone, I received some old data that I am now supposed to analyze, however, deciding for an appropriate statistical test turned out to be a little hard for me, so I could Need your help! The data are basically from a 2x2 factorial design with Pre- and Posttest measures. It is an...
2. ### CBT service eval data analysis

Hi, I am conducting a service evaluation on a manualised CBT for anxiety group, at a college for individuals with autism and associated difficulties for my final MSc project. The purpose of the evaluation is to investigate the clinical outcome effectiveness of the CBT group. I have analysed...
3. ### Repeated measures analysis with ordinal data

Hello, I have data on subjects' ratings of 5 potential side effects (rated as: none, mild, moderate, considerable, strong) following three different interventions (one placebo, and two active) --which were administered in a randomized manner, each 3 weeks apart (within-subjects design)...
4. ### Author's interpretation of Odds Ratio and Confidence intervals

Hi all, Having some difficulty understanding the results of this paper I am including in a review. It compares the effects of 3 interventions aimed at preventing HIV on couple's relationships. A multivariate logistic regression is used and effect estimates are given (which we are told are odds...
5. ### Interpreting repeated measures ANOVA results in Intervention Study

I'm having one of those late night working problems, where I'm suddenly second guessing all my work and I seem to have lost all my statistics know-how in the last 4 hours. Here's my problemo: I did an intervention study. I have pre and post test measures, and participants were split into 2...
6. ### Time Series with Multiple Intervention Dates

I'm working with a time series in which the same intervention was applied to a large number of items but at different points. Essentially, I have figures by day (and can roll them up by week, month, etc.) and I am trying to figure out what the impact of the intervention is on the figures. The...
7. ### Repetead Intervention : which is the right test?

Hi everybody, I'm new with this forum, hence sorry for any mistakes. I'm running a protocol with this scenario: ROUND 1: Baseline Data (T0) - Exercise - Data T1 (immediately after) - Data T2 (after 24h) - Data T3 (after 48 h) ROUND 2: After 1 week Data (T5) - Exercise - Data T6...
8. ### Statistically Challenged Psychology student!!!

Hi everyone, I am really hoping that someone here can help me out. I am really struggling with the analysis for a Psychology study I have conducted, and have lots of questions :( I find stats really difficult, and just cannot begin my analysis yet because I am so stuck. I will try to give some...
9. ### Pre-Test/Post-Test With Multiple Tests Running

Very new to this statistics thing and could use some help deciding how to run the data for this. 60 participants (30 control/30 intervention). Each person is being given 5 different likert-scale assessments, oral cortisol swabs, blood pressure pre-test and post-test. I'm studying the effects of...
10. ### Variation of the one group pre-test/post-test research desgn

Is it okay to break up the one group into two groups? I am doing research on character development. The age groups are Pre-K through Grade 2 and Grade 3 through 8. The two different age groups are receiving the same intervention, but I want to be able to detect any differences between the two...