Hi,
I am exploring how symptom expectations after a mild head injury and behavioral intentions change over the first three months post-injury.
The independent/ predictor variable is time. This is an ordinal measurement (T1= 7 days, T2= 1 month, T3= 3 months)
The dependent variables are:
- Symptom expectations (an interval measurement gained from a symptom questionnaire giving a score from 0 to 72; Likert-scale from "no more of a problem" to "a severe problem")
- behavioural intentions (an interval measurement from a 39 item questionnaire asking for the extent to which participants would intent to engage in various behaviour after experiencing a mild head injury; Likert-scale from "much less than before the injury" to "much more than before the injury")
----The behavioural intentions scale is sub-divided into active behaviours and rest behaviours
I am looking to explore whether behavioural intentions follow a pattern of a gradual return to pre-injury levels across the three time points.
I am also looking to measure whether there is a relationship between expected symptoms and behavioural intentions at the three time points.
Does anyone have any advice on which statistical tests would be appropriate for these research questions and data? I have gotten myself very confused and my Uni's statistical support service is closed until January.
I am exploring how symptom expectations after a mild head injury and behavioral intentions change over the first three months post-injury.
The independent/ predictor variable is time. This is an ordinal measurement (T1= 7 days, T2= 1 month, T3= 3 months)
The dependent variables are:
- Symptom expectations (an interval measurement gained from a symptom questionnaire giving a score from 0 to 72; Likert-scale from "no more of a problem" to "a severe problem")
- behavioural intentions (an interval measurement from a 39 item questionnaire asking for the extent to which participants would intent to engage in various behaviour after experiencing a mild head injury; Likert-scale from "much less than before the injury" to "much more than before the injury")
----The behavioural intentions scale is sub-divided into active behaviours and rest behaviours
I am looking to explore whether behavioural intentions follow a pattern of a gradual return to pre-injury levels across the three time points.
I am also looking to measure whether there is a relationship between expected symptoms and behavioural intentions at the three time points.
Does anyone have any advice on which statistical tests would be appropriate for these research questions and data? I have gotten myself very confused and my Uni's statistical support service is closed until January.