What is new in the APA 7?

The Publication Manual of the American Psychological Association, Seventh Edition (APA 7) was released recently, what are the new features in this edition? how does it differ from APA 6?

08 September 2019 398 1 View

How to obtain reliability for VAS?

What is your suggestion to obtain reliability for Visual Analogue Scale?

05 June 2017 4,860 5 View

What is the difference between Equivalence reliability and Criterion validity?

01 February 2017 3,236 1 View

Are there ISI Journals in health field which accept papers with 7,000 words length?

Are there ISI Journals in health field which accept papers with 7,000 words length? and if related to pediatric care will be better.

11 December 2016 9,854 2 View

What is the importance of reporting the statistical assumptions?

01 February 2016 5,434 14 View

How to merge data in SPSS?

Is it acceptable to merge data from 2 different studies for the same scale? both studies are almost conducted on similar population. or, to do analysis for the psychometrics of the 2 sets of data...

31 December 2015 8,398 11 View

How does Era database classify the journals?

31 December 2015 6,951 3 View

Is this journal (GARJMMS ) classified under ISI Web of Knowledge?

31 December 2015 6,465 6 View

How to choose a research topic?

What is your advice for graduate students [in health field] for choosing the topic for their theses and dissertations?

11 December 2015 506 9 View

What textbook could you suggest for quantitative research for graduate level?

I am looking for your suggestion for a recently published book in Quantitative Research to be suitable for graduate levels. Thanks for your contribution

10 November 2015 9,548 27 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View