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This study assessed the convergent and discriminant validity of widely used various measures of family cohension and control using a multitrait, multi-method approach. Forty-two families, who had at least one adolescent and who were currently receiving family therapy, completed self-report measures of cohesion and control and engaged in Reiss' Card Sort Procedure. Ratings of the families' cohesiveness were also obtained from the families and their therapists. We were only partially successful in demonstrating convergent validity and discriminant validity for the family trait of cohesiveness across measures and methods, and even less so for family control. There was a general lack of relationship between self-report measures and either the therapist rating of family cohesion or the family's performance on the Card Sort Procedure. Our results cast doubt on the construct validity of some of the best measures of family functioning currently available. Implications of this are discussed. 相似文献
23.
This article presents an evaluation framework developed to assess the first-level effects of introducing the Standard Days Method (SDM) in Peru Ministry of Health clinics. Four questions are asked: 1) To what extent do providers routinely achieve SDM service delivery standards? 2) Is the time invested in SDM delivery consistent with program norms? 3) How does SDM delivery compare with delivery of established methods? and 4) How does SDM introduction affect delivery of established methods? A study at 62 clinics demonstrated the framework's usefulness. The Standard Days Method introduction had positive overall effects on the quality of care but provider training needed adjustments. 相似文献
24.
Rockloff MJ Signal T Dyer V 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2007,23(4):457-465
An experiment was conducted to observe the influence of autonomic arousal on subsequent gambling behavior. Thirty-seven male
and 32 female regular Electronic Gaming Machine (EGM) players were recruited through newspaper advertisements. Participants
were randomly assigned to either: (1) a control condition, or (2) an experimental condition that introduced a loud white-noise
event (80 db) at fixed 120 s intervals throughout the 5-min EGM gambling session. Galvanic Skin Response (GSR) measurements
showed that the manipulation was successful in elevating autonomic arousal. The results showed differences in behavioral response
to the manipulation based on prior experience with gambling problems. Persons with many gambling problems had lower average
bet-sizes in the white-noise condition compared to the control, while those with few or no problems had higher average bet-sizes.
The results suggest that arousal may provide different signals to gamblers with few versus many problems. Gamblers with many
problems may interpret their arousal as a sign that they will soon lose money, while gamblers with few or no problems may
associate feelings of arousal exclusively with winning. 相似文献
25.
Rockloff MJ Dyer V 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2007,23(1):1-12
Research and theory regarding the social facilitation effect generates the expectation that the presence of other gamblers (or co-actors) in a gaming venue is likely to intensify individual gambling behavior and magnify losses. Fifty male and 66 female participants (116 total) played a computer-simulated electronic gaming machine with a fixed winning sequence, followed by an indefinite losing sequence. Measures of the intensity of gambling behavior included the final payout (a direct measure of losses), average bet-size, number of trials played, and the speed of play. Some participants received false feedback from the computer designed to suggest that other gamers in adjacent rooms were playing and sometimes winning at the same game. Persons who received both sight and sound information, including winning bells and instant messages regarding the wins of other (fake) players, placed more bets and lost more money compared to the other conditions with less information. 相似文献
26.
Rockloff MJ Dyer V 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2007,23(4):467-478
The Four Es is a 40-item scale measuring psychological risk for the development of problem gambling behavior. One-year follow-up interviews
(n = 395) from a previously reported phone survey in Queensland, Australia (n = 2,577) (Rockloff & Dyer, 2006) tested the ability of the Four Es instrument to prospectively identify persons who would later develop gambling problems.
Two groups of participants were selected for the 1-year follow-up interviews, including (1) persons who had gambling problems,
high-risk alcohol abuse problems, and/or substance abuse problems (abuse group); and (2) a random selection of other persons
from the original survey (random group). The results indicated that the “Excess” trait, which measures impulsive behavior,
was predictive of relative increases in gambling problems for both groups over the 1-year period. Additionally, the Four Es
questionnaire showed good psychometric properties in the surveys, with a test-retest reliability of r = .70 and a Cronbach’s alpha reliability of α = .90 and .92 in the original and follow-up interviews, respectively. 相似文献
27.
Jeffry L. Moe PhD Dilani Perera-Diltz PhD Victoria Sepulveda PhD Peter Finnerty MS 《Journal of homosexuality》2014,61(3):435-451
A framework for conceptualizing the needs of lesbian, gay male, bisexual, transgender, questioning, and other sexually and gender diverse youth is essential for guiding service delivery throughout educational settings. Review and synthesis of the literature reveals that integrating assessment of the salience, valence, and context of issues related to sexual and gender diversity facilitates affirmative practice at the individual student, group, and school-wide levels. The authors describe the components of the salience, valence, context, and integration (SVCI) model with emphasis on practical application. The theoretical and empirical support for each component of the model is also discussed. 相似文献
28.
29.
Victoria J. Dreitz James D. Nichols James E. Hines Robert E. Bennetts Wiley M. Kitchens Donald L. Deangelis 《Journal of applied statistics》2002,29(1-4):609-623
The rate of population growth ( u ) is an important demographic parameter used to assess the viability of a population and to develop management and conservation agendas. We examined the use of resighting data to estimate u for the snail kite population in Florida from 1997-2000. The analyses consisted of (1) a robust design approach that derives an estimate of u from estimates of population size and (2) the Pradel (1996) temporal symmetry (TSM) approach that directly estimates u using an open-population capture-recapture model. Besides resighting data, both approaches required information on the number of unmarked individuals that were sighted during the sampling periods. The point estimates of u differed between the robust design and TSM approaches, but the 95% confidence intervals overlapped substantially. We believe the differences may be the result of sparse data and do not indicate the inappropriateness of either modelling technique. We focused on the results of the robust design because this approach provided estimates for all study years. Variation among these estimates was smaller than levels of variation among ad hoc estimates based on previously reported index statistics. We recommend that u of snail kites be estimated using capture-resighting methods rather than ad hoc counts. 相似文献
30.
Howard Hogan Patrick J. Cantwell Jason Devine Vincent T. Mule Jr Victoria Velkoff 《Population research and policy review》2013,32(5):637-662
The U.S. Census Bureau has a long tradition of evaluating the results of its censuses. This paper presents evaluation results from the 2010 Census, comparing them to earlier results. The paper discusses net coverage at the national and state level, as well as by age, sex, race, and ethnic group. It discusses components of error, including estimated number missed and counted in error. It also presents data on whole-person and item imputation. 相似文献