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71.
G*Power 3: A flexible statistical power analysis program for the social,behavioral, and biomedical sciences 总被引:5,自引:0,他引:5
G*Power (Erdfelder, Faul, & Buchner, 1996) was designed as a general stand-alone power analysis program for statistical tests
commonly used in social and behavioral research. G*Power 3 is a major extension of, and improvement over, the previous versions.
It runs on widely used computer platforms (i.e., Windows XP, Windows Vista, and Mac OS X 10.4) and covers many different statistical
tests of thet, F, and χ2 test families. In addition, it includes power analyses forz tests and some exact tests. G*Power 3 provides improved effect size calculators and graphic options, supports both distribution-based
and design-based input modes, and offers all types of power analyses in which users might be interested. Like its predecessors,
G*Power 3 is free. 相似文献
72.
73.
成年人词语流畅性的年龄差异和词语记忆 总被引:17,自引:0,他引:17
本文以自觉健康的青年、中年和老年人78例为被试,研究了成年人口语、阅读和书写流畅性的年龄差异及其和词语记忆的关系。结果:1.大多数词语流畅能力以及词语记忆均为中年以后衰退,Stroop测验的读色字及读字色作业则中年即开始减退。2.除年龄因素外,词语流畅性还受被试者文化程度和测验内容的影响,同时还表现有文化因素或测验和年龄的交互作用。文化程度越低,测验难度越大,年龄差异越显著。3.词语流畅性和词语记忆有显著相关。这可能是由于两者都有较多的记忆和注意过程的参与。4.在两项颜色命名测验及说同类词作业中都见到女性优于男性的现象。 相似文献
74.
Two kinds of explanations have been offered for the process by which three-term series problems are solved, one in terms of linguistic principles and the other in terms of visual-spatial imagery. Two experiments are reported in which three different classes of operations are brought to bear on the problem: (1) Manipulation of stimulus attributes (characteristics of problems), (2) manipulation of variables that selectively encourage or inhibit the use of imagery (facilitating instructions; the suppression of visualization by reading), and (3) measurement of relevant individual differences (spatial-reasoning ability). All of the results indicate that imagery plays a functional but not a necessary role in the solution of three-term series problems; it is suggested that imaginal representation is functional because it reduces the load on memory. An adequate explanation of problem-solving will have to address certain general issues, such as the diversity of forms of cognitive representation and differences within and between individuals in the choice of problem-solving strategies. 相似文献
75.
Levels of adult alcohol consumption induced by interactions with child confederates exhibiting normal versus externalizing behaviors 总被引:2,自引:0,他引:2
Investigated levels of distress and alcohol consumption in Ss interacting with problematic vs non-problematic child confederates. Social drinkers were randomly assigned to interact with boys trained to enact behaviors characteristic of either normal or attention-deficit disorder/conduct disorder (ADD/CD) children. Mood data were collected before and after the interaction. Ss engaged in ad lib beer consumption for 20 min, while anticipating another interaction with the same boy. Children in the ADD/CD role produced comparably distressed moods for both male and female Ss. However, only men drank to higher blood-alcohol levels in the ADD/CD vs. normal child condition. Results suggest that higher rates of drinking observed in fathers of ADD/CD children may be partly a function of their particular response to the distress associated with interactions with such children. 相似文献
76.
M. Lang 《Psychological research》1974,36(4):335-341
Summary Sternberg's (1969) model of memory scanning processes is considered to be insufficient for verbal material. In Sternberg's model no considerations are given to coding and decoding processes which are relevant for verbal material. Usually Ss will represent letter strings of words as one unit with a specific meaning. If Sternberg's model should be valid for verbal material the time for coding and decoding of the memorized material has to be considered in addition to the time of coding the test stimulus, comparing the test item with the items of the memorized list and responding. Experimental data with different tasks to find a letter or a word in a list of words or a letter in a word can be explained adequately if coding and decoding processes for words are considered in the Sternberg model.
The experiments were conducted at the Yale University, USA. 相似文献
Zusammenfassung Es wird davon ausgegangen, daß das Modell von Sternberg (1969) für Suchprozesse im Gedächtnis bei verbalem Material unzureichend ist. Die Besonderheit verbalen Materials besteht darin, daß es Vpn veranlaßt, physikalisch gegebene Buchstabensequenzen zu Wörtern zusammenzufassen, die als Bedeutungseinheiten codiert werden. Wenn man in dem Modell von Sternberg neben der Zeit für die Codierung des Testreizes, zum Vergleich des Testreizes mit einer memorierten Liste und zur Antwort zusätzlich die Zeit zur Codierung und Decodierung des memorierten verbalen Materials berücksichtigt, können experimentelle Daten zur Suche von Wörtern oder Buchstaben in Wortlisten adäquat erklärt werden.
The experiments were conducted at the Yale University, USA. 相似文献
77.
78.
The main treatment problem of pedophilia is motivating the offender to change. Reasons for the perpetrator's resistance to therapy and strategies for motivating them to change are discussed. Current assumptions about the etiology of this sexual anomaly are examined. Results from a databank of sex offenders are reviewed to show that it is uncommon for pedophiles to be victims of sexual abuse, including incest, and few need pornography as stimulants. Therapeutic difficulties include the egocentric, egosyntonic, and erotically gratifying nature of pedophilia to the perpetrator, his unwillingness to give up his behavior, his tendency to rationalize his acts, and to see the child as consenting. Group therapy and a variety of clinical imagery procedures with case examples are discussed as ways of overcoming the poor motivational state of pedophiles for treatment. 相似文献
79.
Krystal Warmoth Mark Tarrant Charles Abraham Iain A. Lang 《Psychology, health & medicine》2018,23(4):465-474
Older adults’ negative beliefs about ageing are related to their health and functioning, but little is known about how perceptions of ageing (POA) relate to frailty status. This study aimed to explore the relationship between POA and frailty. Secondary analysis of data used were from the English Longitudinal Study of Ageing Waves 2 and 5. A POA score was based on participants’ responses to 12 statements using a five-point Likert scale at baseline, and a Frailty Index (FI) score was calculated for each participant for both waves. Multiple linear regression models were conducted to assess the relationship between POA and frailty cross-sectionally and longitudinally in models controlled for age, gender, depression symptoms, and socioeconomic status. Older adults with more negative POA had greater frailty (β = .12, p < .001). Negative POA predicted greater frailty 6 years later (β = .03, p < .05). Future work regarding the mechanisms of this relationship is needed to identify ways of intervening to improve health. 相似文献
80.