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321.
In this paper, we describe a computer-video interface capable of measuring videotaped motion without physical contact. It constructs imaginaryx-, y-, z-coordinates around a moving object by juxtaposing front and side views on one video record. A special effects generator (SEG) superimposes this two-part image onto the microcomputer’s graphic output. The user watches the SEG’s output and traces the motion of interest in real-time with a computer-generated cursor, a process that assesses the onset time, termination time, duration, linear displacement (i.e., length), and velocity of each traced movement. Reliability coefficients between two independent users were .99 for onset time, .85 for duration, .89 for displacement, and .90 for velocity. In 80 gestures, the correlation between estimated displacement and measured displacement was .73; the correlation between estimated duration (determined from frame-by-frame inspection of the videotape) and measured duration was .80. Twenty-five measurements of displacement for a motorized target traveling 75.4 in. differed from the true value by | .06 |, | .06 |, and | .30 | in. for thex, y, andz dimensions, respectively. 相似文献
322.
Stephen Palmer 《Counselling psychology quarterly》1999,12(2):159-168
This paper responds to key points raised in Launagani's article (this issue). In particular, it focuses on the effectiveness of therapy and questions whether or not therapy is dangerous. Also it considers the future of counselling, counseling psychology and psychotherapy and predicts that therapies that do not adapt to brief or time-limited settings may become relegated to private practice. Treatment manuals based on techniques and strategies and not particular therapies will be developed which may include recommendations for the type of interpersonal approach required for different clients. It concludes that due to pressure of work, members of the therapeutic professions will have less time to sit on committess in support of their professional bodies. 相似文献
323.
DuMont KA Rapkin BD Smith MY Correa A Palmer S Cohen S 《American journal of community psychology》1999,27(1):55-73
This study evaluates the relationship between the social climate from different services and the personal goal-directed activities of 224 individuals with AIDS. The study's results supported the main hypothesis that recipient and participatory service involvement uniquely influence personal goal-directed activities, even after considering individuals with AIDS' physical symptoms, psychological distress, income, and recruitment site. Income and involvement with participatory services were both positively related to the amount of personal goal-directed activity. Longitudinal analyses suggest that personal initiative contributes to the subsequent amount of personal goal-directed activities a person pursues. These results suggest further examination of factors contributing to the selection of different service types and of the processes underlying the relationship between participatory services and positive outcomes for clients with AIDS. 相似文献
324.
The S-R issue: its status in behavior analysis and in Donahoe and Palmer''s learning and complex behavior. 总被引:5,自引:5,他引:0
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J W Donahoe D C Palmer J E Burgos 《Journal of the experimental analysis of behavior》1997,67(2):193-211
The central focus of this essay is whether the effect of reinforcement is best viewed as the strengthenng of responding or the strengthening of the environmental control of responding. We make the argument that adherence to Skinner's goal of achieving a moment-to-moment analysis of behavior compels acceptance of the latter view. Moreover, a thoroughgoing commitment to a moment-to-moment analysis undermines the fundamental distinction between the conditioning process instantiated by operant and respondent contingencies while buttressing the crucially important differences in their cumulative outcomes. Computer simulations informed by experimental analyses of behavior and neuroscience are used to illustrate these points. 相似文献
325.
Georgios D. Sideridis Cheryl Utley Charles R. Greenwood Joseph Delquadri Harriett Dawson Penny Palmer Shalini Reddy 《Journal of Behavioral Education》1997,7(4):435-462
The effectiveness of Classwide Peer Tutoring (CWPT) to enhance the spelling performance and social interactions of three typical students and three students with mild disabilities was investigated. The classroom ecology was measured using the New Code for Instructional Structure and Student Academic Response (NCISSAR). Social interactions were assessed using the Multiple Option Observation System for Experimental Studies (M.O.O.S.E.S.). Spelling performance was measured by weekly pre-posttests. Using an ABAB single-subject design, results indicated that CWPT resulted in: (a) gains in the spelling accuracy of all students (up to 49%), (b) increases of students' duration of positive social interactions (up to 86%), and (c) high satisfaction ratings for both the students and the teacher. Comparisons between typical students and students with mild disabilities during CWPT suggested no differences in their duration of social interactions. Furthermore, the mean spelling accuracy of the students with mild disabilities was comparable to the spelling accuracy of the typical students (91% vs. 96%, respectively). Implications of the findings for the inclusion of students with mild disabilities in general education settings are discussed. 相似文献
326.
This study investigated the relationship between bullying and aggression among imprisoned male adult offenders. The participants were 70 imprisoned male offenders, who were classified using the Direct and Indirect Prisoner Behaviour Checklist (DIPC) as one of four ‘bully’ groups: pure bully, pure victim, bully/victim, or not involved. Participants also completed the Buss‐Perry Aggression Questionnaire (AQ), a measure of aggression and hostility. The majority of the prisoners reported behaviors indicative of bullying, with 42.9 percent classified in the bully/victim group and 12.9 percent as pure bullies. 15.7 percent of participants were classified as pure victims, while 28.6 percent did not report any involvement in bullying. Bully/victims scored higher than participants who were not involved in bullying on the Hostility scale and Total score of the AQ. A number of correlations were found between the AQ scores and number of bully behaviors perpetrated. These suggested there is an overlap between the constructs measured by the AQ and type of bullying behaviors perpetrated. The number of bullying behaviors experienced was only correlated with the Hostility scale. The results are discussed in terms of previous research and their implications for theory and practice. Aggress. Behav. 31:1–11, 2005. © 2005 Wiley‐Liss, Inc. 相似文献
327.
The authors investigated the effect of group discussion, such as may occur formally in panel interview scenarios, assessment centers, or 360-degree feedback situations, on judgments of performance. Research on group polarization suggests that the effect of group discussion combined with raters' preexisting impressions of ratees or interviewees should result in an extremitization of impressions. Thus, the authors hypothesized that group discussion would (a) make ratings less accurate, (b) polarize impressions that were already good or poor as reflected by greater contrast effects, and (c) increase positive halo. Results indicated that group discussion resulted in less accurate ratings and greater contrast effects. Additional analyses suggested that group discussion increased positive halo. The authors discuss implications for research on group or panel judgments. 相似文献
328.
Busey T Palmer J 《Journal of experimental psychology. Human perception and performance》2008,34(4):790-810
In both behavior and neuroscience research, it is debated whether the processing of identity and location is closely bound throughout processing. One aspect of this debate is the possibly privileged processing of identity or location. For example, processing identity may have unlimited capacity, while processing location does not. The authors have investigated the possibility of such privileged processing by measuring set-size effects for a variety of identification and localization tasks. In particular, set-size effects in accuracy visual search are measured with either 1 or 2 possible targets. For 1-target tasks, set-size effects are smaller for identification than localization; for 2-target tasks, set-size effects are larger for identification than localization. The observed crossover interaction is inconsistent with a privileged processing hypothesis for either identity or location. Furthermore, this interaction is predicted by an independent channel model based on signal detection theory, in which the details of each decision determine the relative magnitude of the set-size effects. This result is consistent with the similar processing of identity and location, and it refutes the privileged processing hypothesis for either identity or location. 相似文献
329.
Hutchins S Palmer C 《Journal of experimental psychology. Human perception and performance》2008,34(3):693-707
The authors explore priming effects of pitch repetition in music in 3 experiments. Musically untrained participants heard a short melody and sang the last pitch of the melody as quickly as possible. Each experiment manipulated (a) whether or not the tone to be sung (target) was heard earlier in the melody (primed) and (b) the prime-target distance (measured in events). Experiment 1 used variable-length melodies, whereas Experiments 2 and 3 used fixed-length melodies. Experiment 3 changed the timbre of the target tone. In all experiments, fast-responding participants produced repeated tones faster than nonrepeated tones, and this repetition benefit decreased as prime-target distances increased. All participants produced expected tonic endings faster than less expected nontonic endings. Repetition and tonal priming effects are compared with harmonic priming effects in music and with repetition priming effects in language. 相似文献
330.
Stephen Palmer Kristina Gyllensten 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2008,26(1):38-52
This case study describes the therapeutic work with a client suffering from depression. A cognitive approach was used and
a brief summary of the problem and the therapy is outlined. The client had suffered from procrastination for a long time and
this was one of the key areas to be addressed in therapy. This case is presented to highlight that cognitive behavioural,
rational emotive behavioural or multimodal coaching may be able to prevent mental health problems. It is possible that the
client’s problem with procrastination could have been tackled in psychologically based coaching at an earlier stage. Psychological
coaching could have provided the client with tools to deal with the procrastination and increase her self-awareness. This
could have prevented the development of the depression or helped the client to intervene at an earlier stage.
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