How to accurately measure cytokines levels for my university research proposal?

Hello, i am writing a theoretical research proposal for one of my university assignments regarding Covid-19. The brief is pretty relaxed and i have chosen to conduct a study on how the...

11 February 2021 908 5 View

In SPSS, how to select cases if variable has x but not y?

Hi all, I have an SPSS longitudinal database in which one of the variables is monthnumber. The month ranges from 0 (baseline) through all of the months they were involved and then 51 for last...

30 November 2020 490 4 View

What is the best way to analyse rainfall data against a second variable?

I am looking at how rainfall can influence volcanic activity. I have rainfall data from three different datasets. One is a gridded dataset at 0.25 x 0.25 degree resolution that offers monthly...

04 November 2020 5,970 3 View

Two peaks in an antibody purification through AKTA purifier?

When purifying monoclonal antibodies from hybridome cultures (protein G affinity chromatography) we got two different peaks, which we collected separately. When analysed by SDS-PAGE they both...

06 September 2020 3,662 5 View

How do I merge variables in SPSS?

I merged two datasets with different cases; one dataset has two cohorts/comparison groups and the other dataset has one cohort, the experimental group. Some of the variables are named the same and...

19 August 2020 5,150 3 View

Can I still identify a specific cell type by flow cytometry if the cells are dead or do I need to pre-sort to study cell death of a given population?

Hi everyone! I want to study the response of plasma cells to different drugs after in vitro exposure. Can I culture whole bone marrow (after RBC lysis), treat with my drug, wait an appropriate...

03 August 2020 8,194 6 View

Is is viable to conduct a content analysis on social media posts?

I'm intending on conducting a content analysis on the stigmatising effects of a recent anti-obesity campaign. I would like to do this analysing the comments in response to Instagram posts by a...

06 April 2020 5,341 10 View

Cable stayed bridge cable to deck connection and column?

What is a suitable connection and any good websites to explain the connection of the cables to the deck surface and the cables to the column on a single column cable stayed bridge.

06 December 2019 3,244 2 View

How to detect the mechanical property of powders by nanoindentation?

Hi everyone. Does anyone know how to hold the powders (10um) when doing nanoindentation? I have mixed the powders with epoxy, and let it dry, then polished the mixture, but I never got converged...

14 October 2019 3,100 5 View

Architectural Engineering research topic that links with interior design?

Looking for a topic for my dissertation that could link architectural engineering and interior design together. I'm thinking of studying interior design after architectural engineering and would...

18 August 2019 6,993 10 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

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 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 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

The procedure compute?

02 March 2021 5,204 3 View

Does anyone know what a '.' means in SPSS?

Hi everyone! I was wondering if anyone would be so kind as to help me with regards to my data set on SPSS! I was checking for multivariate outliers via the standardised residuals ('Linear...

02 March 2021 7,910 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View