Sebastian Brom

6 Questions 7 Answers 0 Followers

Questions related from Sebastian Brom

The results of the repeated measures ANCOVA show no significant difference for within-subjects (SPORT types), can I now conduct a regular ANCOVA?

Usually a repeated measures ANCOVA is used for comparing results at different times. For my study, this is not the case as the within-subjects variable is a sports category (basketball or...

24 January 2021 2,727 3 View

Is it possible to make a dummy variable for a within-subjects continuous covariate with two levels?

I am doing a repeated measures ANCOVA. My independent variable is visual clutter measured as a between-subjects 2 levels categorical variable (Higher visual clutter versus lower visual clutter)....

23 January 2021 5,485 1 View

Can you exclude participants from analysis if the time they took to finish their survey was too short?

Grezski et al., (2015) state that extremely short response times show a low data quality through a lack of attention of the participants, I used a cut-off point of 150 seconds based on an...

22 January 2021 7,701 5 View

Is it possible to combine two continuous variables into one categorical variable in order to create a dummy in SPSS ?

As background, in my model, my independent variable is visual clutter which has two conditions (higher visual clutter/ low visual clutter) and the conditions measure the amount of visual clutter...

14 January 2021 4,899 4 View

Can I use process by Hayes if my independent variable and moderating variable are both categorical (dichotomous)?

My results did not look good using a numerical moderator so I transformed it through means of a median split to create a dichotomous variable. Can I use this as input for process by Hayes model 1?

22 December 2020 6,815 3 View

How can the independent samples T-test indicate a significant difference between groups while in process model 1 the IV shows no effect at all?

For background, my dependent variable is consumer satisfaction and the independent variable I am talking about is a categorical variable = degree of visual clutter with two conditions, High visual...

22 December 2020 3,148 9 View