Variables don't seem to be updating

[Tyler]

Sorry, I mean Snippet 1, 3, and 4.

On Feb 9, 11:33 am, Tyler <tyb... at gmail.com> wrote:
> I have an experiment that presents a stimulus, and captures a rating
> on 5 Likert scales before presenting a new stimulus.
> I would like to track ratings to prevent subjects from mindlessly
> clicking the same rating over and over.
>
> So basically I need to declare two variables:
> ratingPrevious - which holds the value of the previous rating
> ratingRepeat - which counts if a rating is repeated and how many times
>
> So I begin with this inside my procedure:
>
>      Dim ratingRepeat As Integer
>      Dim ratingPrevious As Integer
>
>      If c.GetAttrib("Rating") > 0 Then
>                 ratingPrevious = c.GetAttrib("Rating")
>      End If
>
> Immediately after my script that captures a rating and places it in
> the Rating attribute I have this:
>
>      If ratingPrevious = c.GetAttrib("Rating") Then
>                      ratingRepeat = ratingRepeat + 1
>      ElseIf ratingPrevious <> c.GetAttrib("Rating") Then
>                      ratingRepeat = 0
>      End If
>
> And then for debugging purposes I have a script that tells me what
> these values are:
>
>      cnvs.Text sX, sY, c.GetAttrib("Rating")
>      cnvs.Text sX, sY, ratingRepeat
>      cnvs.Text sX, sY, ratingPrevious
>
> The behaviour that I observe is that ratingPrevious is capturing the
> very first rating, but then it stops being updated with additional
> ratings.
> In addition, regardless of whether the current and previous ratings
> are equal, ratingRepeat never gets incremented beyond the first time
> that it reads Rating = ratingPrevious, so it gets stuck at "1".
>
> You can see the structure of my design here:http://gyazo.com/5e6f1f8c7f87ed02a84e90e708c5c248.png
>
> Snippet 1, Snippet 2, and Snippet 3 correspond to the code I pasted
> above. Clearly, the program is reading these pieces of code because
> it's presenting the scales, and for each rating after the first one
> the value of Rating is necessarily greater than 0, so it should be
> processing the part that updates ratingPrevious (ratingPrevious =
> c.GetAttrib("Rating")). So why isn't this value changing?
>
> My feeling is that it is only satisfying these If statements once, and
> then ignoring them thereafter.
>
> Does anyone have any ideas?

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