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Lexile measures allow you to manage student reading comprehension. ... reading ability, and the result is an expected 75-percent comprehension rate ... – PowerPoint PPT presentation

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Prepared by Debbie Sanders, Instructional Coach
Beck Academy IBMYP August 2009
What is MAP?
  • MAP is not a "mastery" test. Students are
    not expected to get every question right. In
    fact, the best assessment measure is one where a
    student gets 50 of the questions right and 50
    of the questions wrong. This is where we get the
    best information on the actual instructional
    level of a student.

  • Percentile and Percent
  • Percentile is how well a student performed
    compared to a norm's sample for that grade.
  • Fifth graders are compared to fifth graders,
    ninth graders to ninth graders, etc.
  • A student at the 35th percentile scored as well
    as, or better than 35 percent of the students in
    the norm sample for that grade.
  • 65 percent of the students performed better.
  • Percentiles are not good measures for showing
  • A common mistake is for people to think that a
    student in the 35th percentile got 35 percent of
    the items correct. Percentile has nothing to do
    with the percentage of correct answers a student
    gets on a test.

How can MAP be of use to me as
a teacher?
  • MAP scores are reported as RITS. The RIT scale is
    used to measure how tall a student is on the
    curriculum scale. Like measuring height on a
    yardstick, RIT scores can be compared to indicate
    how much growth a student has made.
  • Characteristics of the RIT Scale
  •         Equal interval.
  •         Unrelated to grade or age.        
  •         Reflects instructional level.

  • Score Ranges
  • Score ranges indicate the range of error
    or confidence band around a score.  It is
    important to remember that no score is absolute.
    We would expect that if a student took the test
    again relatively soon, his or her score would
    fall within this range most of the time.
  • Placement and Instructional Implications
  • Consider ranges when determining whether students
    make the cut for programs. Students performing
    within the same range have similar instructional

  • Important things to note about Score Ranges
  • There is no significant difference between scores
    that are less than three points apart.
  • 195 in Computation and 197 in Measurement are
    comparable scores.
  • The range is one standard error above and below
    the student's RIT score. 
  •    The mean and median RIT for the class allows
    comparison of the class with the norm group for
    that grade.

The standard deviation is an indication of the
academic diversity of the group.  Large standard
deviations would represent a class that is spread
out across many RIT bands. Whole group
instruction would probably not be as effective
with this group. Smaller standard deviations
represent a class that is clustered in only a few
RIT bands.
What does the standard deviation in this reading
MAP assessment tell us about this ELA class?
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Teachers can help their students set
goals based on their NWEA data.
The MAP conference sheets are now in the student
planner. Have the student list specific goals
from fall to spring. MAP conferences should be
completed before the end of November.
  • Conference with each student.
  • Review individual data with student.
  • Celebrate success.
  • Set a goal for improvement.
  • Set a growth goal
  • Make a plan.
  • The teacher will _____________.
  • The student will _____________

There are a variety of teacher reports.
  • Class reports of RIT ranges in descending order
    are useful to create differentiated groups.
  • Class reports by goal descriptors provide
    specific instructional levels in each goal level
    of the assessment.
  • Parents also receive individual progress reports.
    These are only printed from the district
    downloads approximately two weeks after testing

Descriptors are based on grade level percentiles
as determined by our norming study. Hi means the
score is in the top third (percentile scores
greater than 66.) Av means the score is in the
middle third (percentile scores between 66 and
33.) Lo means that the score is in the bottom
third (percentile scores equal to or less than
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  • We can see, at a glance, that the Goal
    Performance area of Measurement on the report
    above has the lowest mean for this class. It is
    almost four RIT points lower than any of the
    other goal areas and is five points lower than
    the overall mean RIT for the class.. Our research
    tells us that three or more points higher or
    lower than the overall mean RIT for the class
    represents a relative area of strength or concern
    for the class

How do I use Lexile ranges effectively with my
  • The Lexile range is a score (displayed as a
    150-point range) that can be used to find text of
    appropriate difficulty. It allows educators and
    parents to find appropriately challenging books,
    periodicals, and other reading material for
    students. It represents a level of reading
    difficulty that leaves the reader neither
    frustrated nor bored.
  • Lexile measures are based on two predictors
  • Semantic difficulty - word
  • Syntactic complexity -
    sentence length
  • Lexile measures allow you to manage student
    reading comprehension. When reader and text
    measures match, the reader is "targeted." This is
    the basis for selecting text that is targeted to
    a student's reading ability, and the result is an
    expected 75-percent comprehension rate - not too
    difficult to be frustrating, but difficult enough
    to encourage reading progress.Lexile is a unit
    for measuring text difficulty and reader

  • When looking at Lexile ranges, remember
  • Content - teachers and parents play a critical
    role in choosing material that is age
  • Genre - when introducing a new genre, teachers
    may have to offer more support for students.
  • Interest - when students are highly interested in
    a topic, they might be able to read and
    comprehend text that is at a higher Lexile than a
    topic that they are not as interested in or
    familiar with.

Look at Lexiles as a range of scores. The RIT
score represents the test items a student gets
right about half of the time, or their
instructional level. The Lexile score represents
the level at which the student can read with 75
comprehension. 100 points below the Lexile score
is considered the range where the student reads
fairly well independently 50 points above is
considered the range where the student will
need some guidance.
Example Emily takes the reading assessment this
fall. She scores 223. This is her RIT and
instructional level (9.0) Her Lexile range is
1000. What books can you suggest for her
independent reading? The Hobbit by J.R.R.
Tolkien 1000 Lexile 223 RIT
Lexile ranges can be viewed at the following
site http//
  • MAP
  • 2009

Please refer to your folder and handouts.
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