Rails - Jan 2006 - Select box problems

Hi all,

I am trying to get a select box to choose the type of goal records to 
display using the scope field. I keep getting a " NoMethodError in 
Admin#list" on line 8 "undefined method `scope'' for 
{"scope"=>"Yearly"}:HashWithIndifferentAccess"

The code from list.rhtml is

<%= start_form_tag :action => ''list'' %>
<p>View goals by scope:
<%
options = [["Select the Goal''s Scope", ""]] +
Goal::GOAL_SCOPES
%>
<%= select("goal", "scope", options) %>
  <%= submit_tag ''Go'' %>
</p>
<%= end_form_tag %>

and the list method is

  def list
    log = Logger.new(STDERR)
    log.level = Logger::DEBUG
    #log.debug(params[:goal][:scope])

    @goal = params[:goal]
    if @goal != nil

       #@goals = Goal.find(1)
       @goals = Goal.find(:all, :conditions => ["scope = :scope", 
@goal])
	#log.debug(@goal.scope)
    else
      @goal_pages, @goals = paginate :goals, :per_page => 10
    end
  end

The goal.rb is:

class Goal < ActiveRecord::Base
  validates_presence_of :goal
  validates_uniqueness_of :goal
  acts_as_tree :order => "goal"

  GOAL_SCOPES = [["Lifetime", "Lifetime"], ["This
Year", "This Year"],
["This Quarter", "This Quarter"], ["This Month",
"This Month"], ["This
Week", "This Week"]].freeze

end

It seems that this is just a simple problem, but I am very new to rails, 
any help is much appreciated

Cheers

Paul

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