All Questions
Tagged with statistics methodology
46
questions
2
votes
0
answers
38
views
Combining Data from Multiple Participants for Statistical Analysis in a Facial Expression Memory Task
I am working on a project involving a memory task for facial expressions, consisting of two phases:
Encoding Phase: There are 8 trials in which participants view 8 different virtual characters, each ...
3
votes
1
answer
72
views
Best practice for comparing data between completers and non-completers?
I conducted a study which collected data on a brief one-time intervention at 3 timepoints (pre, post, and one-week follow-up). There were some participants who dropped out between these 3 timepoints. ...
- 31
1
vote
0
answers
33
views
Choice of statistical analysis for correlational study
Good morning,
I am writing a dissertation for my master's degree in psychology. I have to do statistical studies on data that I have collected.
I want to proceed with a correlational analysis.
...
- 19
3
votes
0
answers
19
views
Self-report measures always correlate? Research legends or the truest truth
Once upon a time a couple years B.C. (BC stands for before coronavirus), when I was a student, I asked my advisor about using two questionnaires in my research. One was some emotional intelligence ...
- 465
3
votes
1
answer
89
views
What work has been done studying methodological reforms in psychology after the replication crisis?
Can anyone point me to academic work that systematically studies how standards and methods have changed in psychology as a response to the replication crisis? Thanks.
0
votes
0
answers
497
views
How to determine the sample size for a Confirmatory Factor Analysis CFA
I'm in the process of developing a scale. Overall, my question is how do I determine how many participants to include in my sample for the first Confirmatory Factor Analysis procedure? More ...
- 674
1
vote
0
answers
32
views
Can you prove a psychological theory on a one-person research design?
Famous psychologists have proven their theories on a few subjects (really small sample sizes, like n = 3). Yet, now, we are taught that to prove any psychological theory right, we need to gather data ...
- 465
2
votes
3
answers
142
views
What statistical tests should be performed to test effect of trials on response times where each subject has different number of data points?
I am running a behavioral experiment where a number of subjects (=20 in my case) perform a simple cognitive task. The experiment consists of a fixed number of trials (say, 40 in my case). During each ...
- 141
3
votes
1
answer
67
views
Correlation used as explanatory device in ''The neuroscience of Intelligence'
I am currently reading Dr. Richard Haier's book The Neuroscience of Intelligence. I have a base knowledge of statistics, but I am confused about the following extract from page 80 (chapter 2.4):
...
- 33
2
votes
2
answers
86
views
Books on Statistics in R for behavioral data analysis
Are there any statistics books geared towards teaching behavioral data analysis especially in psycholinguistics?
- 21
3
votes
2
answers
403
views
correction for multiple comparison over many ROIs
I would like to know how to correct a p value of a stiatistic when the same test was run over multiple regions of interest. The modality is MEG.
So, I have 4 Regions Of Interests, and I ran the same ...
- 31
3
votes
1
answer
89
views
Recommended resources (journals, blogs, etc) for nurturing a background of statistical/methodological rigour in behavioural science research?
Background :
There seems to considerable debate regarding the output of psychological research lacking
a) appropriate, rigourous statistical treatment of data
b) replicability
As a second year ...
- 320
1
vote
0
answers
47
views
Is it okay to use "fixed number of factors" in EFA after contradicting results from MAP test and eigenvalues?
I need help with my data analysis.
I am using a non-validated translated questionnaire in my survey. The purpose of it is not to validate the measure in a different language and its construct validity,...
- 11
5
votes
3
answers
381
views
Should I look at the data of an experiment before the dataset is complete?
For a research internship I am running psychological experiments online. As it takes a while until the experiment is done (meaning that enough people participated, so that a sufficient sample size is ...
2
votes
2
answers
121
views
Examples of interventions that yield large long term effect sizes in psychology
I was listening to a podcast entitled Very Bad Wizards, hosted by two university academics. One of the hosts, namely David Pizarro who is a psychologist at Cornell made the claim that most ...
- 71