This study examines positive dispositions reported by middle school and high school students participating in programs that feature STEM-related activities. Middle school students participating in school-to-home hands-on energy monitoring activities are compared to middle school and high school students in a different project taking part in activities such as an after-school robotics program. Both groups are compared and contrasted with a third group of high school students admitted at the eleventh grade to an academy of mathematics and science. All students were assessed using the same science, technology, engineering and mathematics (STEM) dispositions instrument. Findings indicate that the after-school group whose participants self-selected STEM engagement activities, and the self-selected academy of mathematics and science group, each had highly positive STEM dispositions comparable to those of STEM professionals, while a subset of the middle school whole-classroom energy monitoring group that reported high interest in STEM as a career, also possessed highly positive STEM dispositions comparable to the STEM Professionals group. The authors conclude that several different kinds of hands-on STEM engagement activities are likely to foster or maintain positive STEM dispositions at the middle school and high school levels, and that these highly positive levels of dispositions can be viewed as a target toward which projects seeking to interest mainstream secondary students in STEM majors in college and STEM careers, can hope to aspire. Gender findings regarding STEM dispositions are also reported for these groups.

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A rationale for using a simulated teaching environment to train pre--service teacher candidates is presented, followed by the key components of the simSchool dynamic simulator created to accomplish this task. Results of analyses of two sets of data, for the areas of pedagogical practices and teaching skills, are used to illustrate that changes in pre--service educators can be assessed as a direct outcome of activities completed within the simulated environment. Major outcomes to date indicate that teacher candidates gain a sense of instructional self--efficacy (confidence in their competence) more rapidly using the simulator, compared to traditional teacher preparation classes and related activities. This outcome is true for pre--service candidates working with simulated students spanning the normal range of personality attributes and sensory abilities, as well as pre--service teacher candidates working with simulated students with disabilities.

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