 position 1</p></dd>

  <dt><code>p2</code></dt>
<dd><p>speed at position 2</p></dd>

  <dt><code>p3</code></dt>
<dd><p>speed at position 3</p></dd>

  <dt><code>p4</code></dt>
<dd><p>speed at position 4</p></dd>

  <dt><code>p5</code></dt>
<dd><p>speed at position 5</p></dd>


</dl><p><code>Probe2</code>: A data frame with 20 observations on the following 6 variables.</p><dl><dt><code>stm</code></dt>
<dd><p>Short term memory capacity: a factor with levels <code>High</code> <code>Low</code></p></dd>

  <dt>