How many hypotheses should this conceptual model need?

Helena-Alexandra Timmermans @Helena-Alexandra-Timmermans

19 January 2023 0 7K Report

I am wondering how many hypotheses this model needs since there is a mediator ?

and is it usual to also have a direct effect of media framing on intention to click?

Badges
Science topic

More Helena-Alexandra Timmermans's questions See All

Statistical test for weight data: 2 different groups overtime? 2-way repeated measure ANOVA?

Hello, I have weights over 5 weeks for 2 different groups (the animals in group A are different from animals in group B). I have thought to use a 2-way repeated measure ANOVA to see if there...

08 July 2024 1,163 3 View

CRAFT 21 Recogntion?

Is there a CRAFT 21 recognition trial?

14 March 2024 8,065 1 View

Potassium Permanganate titration- more hydrogen peroxide detected than what is actually present in solution?

I have been performing titrations of a known concentration of hydrogen peroxide using 0.01N potassium permanganate and consistently requiring more potassium permanganate than what is estimated to...

07 February 2024 446 3 View

Eye-tracking experiment using touch-screen/monitor with young children?

Has anyone used (or attempted to use) a touch-monitor or a touch-screen-laptop for the recording of behavioral responses in an eye-tracking experiment with young children? This would be ideal...

24 January 2024 6,584 4 View

Is Raman spectroscopy available for carbide/carbonitride detection in the ferrite steels?

My goal is to determine the volume fraction of M23C6 carbide and/or MX carbonitride in the ferritic/martensitic steels. Could I use Raman spectroscopy for this goal? If yes, are there the positive...

21 January 2024 9,585 2 View

Does anybody have had a rpoblem with the use of Doca pellets in Tamoxifen-Cre Mice?

Do you have death, swelling or any other problematic effects between these to medications? Thank you

22 October 2023 6,742 0 View

How can I compare categorical datasets with many factors in R (e.g., polymer types at different locations)?

I want to know if the type of litter found between sites is significantly different. I have 7 stations with polymer IDs for litter from each station. Can I compare two categorical variables...

19 September 2023 6,208 3 View

What impact does the use of artificial intelligence have on the accuracy and speed of laboratory testing in clinical settings?

Medical laboratory technologists are likely to be faced with the challenges brought on by Artificial Intelligence (AI) as laboratory medicine continues to undergo digitization and automation. The...

02 September 2023 6,162 3 View

How many data extracts required for a qualitative dissertation?

I'm currently writing my qualitative doctoral dissertation and I'm not quite sure how many extracts do I need to analyse? Are 30-40 extracts enough for a dissertation?

04 July 2023 3,127 4 View

Tips to improve transfection efficiency?

Hello, recently I’ve transfected some HEK-293T cells with Thermofisher’s Lipofectamine 3000 reagent, but I’ve only gotten a transfection efficiency of about 20-30% using 7.5 uL of lipofectamine. I...

23 June 2023 4,965 1 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...

09 August 2024 7,892 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

Can you suggest reliable sources defining "3D mesh" and "3D city models"?

Dear fellow researchers, I am currently working on a paper where I need to provide a reliable reference that defines and distinguishes between 3D mesh models and 3D city models. Although I am...

06 August 2024 9,986 2 View

Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...

05 August 2024 454 3 View

What are the shear and normal stiffness values of an LLDPE liner in 3D numerical modeling of a stockpile?

I am seeking experimental or applicable data for the liner (LLDPE) interface in FLAC3D numerical modeling of a large stockpile. Could you please recommend suitable references? The preferred data...

05 August 2024 3,665 0 View

Is it necessary to covary exogenous constructs in a structural model?

I am working on a SEM model where i have 7 latent variables (6 exogenous and 1 endogenous). In AMOS when I co-vary the exogenous constructs, only 2 paths are coming significant out of 6. But when...

03 August 2024 6,028 4 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View