How to compare two fMRI sessions using SPM12 (inter-sessions differences) ?

I'm performing an fMRI analysis for my master thesis using SPM and I've never worked with fMRI data before. I've succesuffy perform first level analysis but came to an obstacle. Study design...

05 December 2020 6,956 2 View

How to get clear SSCP bands on polyacryamide gel?

Prior running on 200V for 2,5 hour on 4 degrees, 2 microliters of PCR products mixed with 8 microliters of denaturing buffer was treated at 92 degrees for 5 minutes followed by 5 minutes...

29 July 2019 3,945 7 View

Does the signal from the snoRNA/snRNA normalizer wells in a miScript miRNA PCR array have to rise above the threshold?

Hello, Does anyone have any experiance with miScript miRNA PCR Arrays? I used the pathway-focused array with 84 different primer assays on the plate. I'm assuming the built-in normalizer controls...

12 June 2017 7,702 2 View

Can anyone help me to interpret the results from a FLUOstar Optima instrument?

The FLUOstar count all values as relative to each other, I need to recount them to absolute values, and I am thinking that the gain-value can be used to do this. Does anyone know if this is...

11 December 2013 2,478 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Hello house, is it necessary to compute Content Validity Ratio (CVR) for an adapted questionnaire pls?

What should one do if he obtains conflicting results between Content Validity Index (CVI) and CVR for items in a quetionnare. For example based on the CVI obtained the items are acceptable but the...

25 February 2021 7,325 2 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View