Matthew C Lambert

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Comprehensive assessment of attention-deficit/hyperactivity disorder (ADHD) symptoms includes parent and teacher questionnaires. The ADHD Rating Scale-5 was developed to incorporate changes for the Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5; American Psychiatric Association, 2013). This study examined the fit of a correlated,(More)
Strength-based assessment has been identified as an appropriate approach to use in planning treatment and evaluating outcomes of youth in residential settings. In previous research, the Behavioral and Emotional Rating Scale-2, a standardized and norm-referenced strength-based measure, has demonstrated adequate reliability and validity with youth served in(More)
OBJECTIVE Psychostimulant medication is considered a mainstay in the treatment of attention-deficit/hyperactivity disorder (ADHD); however, research suggests that the typical duration of medication treatment for children and youth may be <3 years. The purpose of this study was to evaluate the psychostimulant treatment persistence for children and(More)
Tests that measure the emotional and behavioral problems of children and youth are typically not normed and standardized on youth diagnosed with disruptive behavior, particularly those youth in residential care. Yet professional standards mandate that before instruments are used with a specific population the psychometric properties need to be studied and(More)
In a previous study with a nationally representative sample, researchers found that the items of the Preschool Behavioral and Emotional Rating Scale can best be described by a four-factor structure model (Emotional Regulation, School Readiness, Social Confidence, and Family Involvement). The findings of this investigation replicate and extend these previous(More)
Therapeutic alliance has been frequently studied in individual counseling sessions; however, research on therapeutic alliance in residential settings for youth with mental health diagnoses has been limited. This may be due, in part, to the presence of multiple service providers often in caregiving roles. The purpose of this study was to examine the(More)
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