📚 Core Knowledge Points for Year 11 CIE Psychology | Year 11 CIE 心理学核心知识点梳理
As you approach the final revision for Year 11 CIE Psychology, it is crucial to consolidate the core knowledge across all key topics. This article distils the essential concepts, theories, and research methods you must master, from fundamental approaches to cognitive, social, developmental, and biological psychology. Each core area is broken down with clear explanations in both English and Chinese to support bilingual understanding and exam success.
随着Year 11 CIE心理学最后复习的临近，梳理所有关键主题的核心知识至关重要。本文提炼了您必须掌握的从基本研究方法到认知、社会、发展和生物心理学的核心概念、理论和研究方法。每个核心领域都用中英文清晰解释，以支持双语理解和考试成功。
1. Research Methods in Psychology | 心理学研究方法
In psychological research, the experiment is the most common method for establishing cause-and-effect relationships. The independent variable (IV) is deliberately manipulated by the researcher, while the dependent variable (DV) is measured to observe any change. All other variables that could affect the DV must be controlled to avoid confounding results.
在心理学研究中，实验是确立因果关系最常用的方法。研究者有目的地操纵自变量 (IV)，并测量因变量 (DV) 以观察变化。所有其他可能影响因变量的变量都必须得到控制，以避免混淆结果。
Three main experimental designs are used: independent groups (different participants in each condition), repeated measures (the same participants take part in all conditions), and matched pairs (participants are matched on relevant characteristics and then split). Each design manages order effects and participant variables differently, affecting internal validity.
主要使用三种实验设计：独立组设计（每个条件使用不同被试）、重复测量设计（同一组被试参与所有条件）和匹配对设计（根据相关特征匹配被试后分配到不同条件）。每种设计处理顺序效应和被试变量的方式不同，从而影响研究的内部效度。
Internal validity concerns whether the IV truly caused the observed change in the DV, while external validity refers to how far findings can be generalised beyond the study setting. Field experiments offer greater ecological validity, whereas laboratory experiments allow tighter control over extraneous variables.
内部效度关注是否真的由 IV 引起了 DV 的可观测变化，而外部效度指研究结果在多大程度上可以推广到研究情境之外。现场实验提供更高的生态效度，而实验室实验则能更严格地控制额外变量。
2. The Multi-Store Model of Memory | 记忆的多存储模型
Atkinson and Shiffrin (1968) proposed the multi-store model, describing memory as three separate stores: the sensory register, short-term memory (STM), and long-term memory (LTM). Information enters the sensory register briefly, moves to STM through attention, and is transferred to LTM via elaborative rehearsal.
Atkinson 和 Shiffrin (1968) 提出了多存储模型，将记忆描述为由三个独立存储组成：感觉登记、短时记忆 (STM) 和长时记忆 (LTM)。信息短暂进入感觉登记，通过注意进入短时记忆，再经由精细复述转入长时记忆。
ty but information lasts only milliseconds; STM holds about 7±2 chunks and lasts around 18– ds at the beginning (primacy) and end (recency) of a list are recalled best, supports the distinction between STM and LTM.
每个存储的容量和持续时间各不相同：感觉登记容量巨大但信息仅维持毫秒；短时记忆可容纳约7±2个组块，若不进行复述仅维持约18–30秒；长时记忆的容量和持续时间几乎是无限的。系列位置效应（词表开头和末尾的词语回忆率最高，分别称为首因效应和近因效应）为短时记忆与长时记忆的分离提供了证据。
Baddeley and Hitch (1974) later refined this view with the working memory model, which replaces a unitary STM with an attentional controller—the central executive—and two slave systems: the phonological loop (verbal information) and the visuospatial sketchpad (visual and spatial information). The episodic buffer was added later to integrate information across systems.
Baddeley 和 Hitch (1974) 后来通过工作记忆模型改进了这一观点，用中央执行器（注意力控制）和两个从属系统——语音回路（言语信息）与视空间画板（视觉和空间信息）——取代了单一的短时记忆。后来又加入了情景缓冲器，以整合各系统的信息。
3. Forgetting: Interference and Cue-Dependency | 遗忘：干扰与线索依赖
Interference theory explains forgetting as a result of competition between memories. Proactive interference occurs when old learning disrupts recall of new information; retroactive interference happens when new learning impairs recall of previously stored material. McGeoch and McDonald's 1931 study demonstrated retroactive interference by varying similarity between original and intervening lists.
干扰理论将遗忘解释为记忆之间竞争的结果。前摄干扰指旧的学习干扰对新信息的回忆；倒摄干扰指新的学习损害对先前储存材料的回忆。McGeoch 和 McDonald 1931年的研究通过改变原始词表与干扰词表之间的相似性，证明了倒摄干扰效应。
Cue-dependent forgetting suggests that information is available in LTM but temporarily inaccessible due to absence of appropriate retrieval cues. Tulving identified context-dependent and state-dependent cues: if the environment or internal state at recall matches those at encoding, recall improves. Godden and Baddeley's underwater study showed that divers recalled words better when tested in the same context they had learned them.
线索依赖遗忘理论认为，信息存在于长时记忆中，但由于缺乏适当的提取线索而暂时无法提取。Tulving 提出了情境依赖线索和状态依赖线索：如果提取时的环境或内部状态与编码时一致，回忆效果更好。Godden 和 Baddeley 的水下研究显示，潜水员在与学习时相同的情境下接受测试时，回忆词语的效果更好。
4. Perception, Illusions and Depth Cues | 感知、错觉与深度线索
Gregory's constructivist theory argues perception is an indirect, top-down process where the brain actively constructs percepts using past experience and stored schemas. In contrast, Gibson's direct theory claims perception is a bottom-up process driven by rich information already present in the optic array, such as texture gradients and motion parallax.
Gregory 的建构主义理论认为，感知是一种间接的、自上而下的过程，大脑利用过去经验和储存的图式主动建构知觉。与之相对，Gibson 的直接理论声称，感知是自下而上的过程，由视光阵列中已有的丰富信息（如纹理梯度和运动视差）驱动。
Visual illusions offer strong evidence for both positions. The Müller-Lyer illusion can be explained by misapplication of size constancy and depth cues (Gregory), but also questioned by cross-cultural research. The Ponzo illusion relies on linear perspective, while the Ames room distorts perceived size by manipulating apparent distance.
视错觉为两种观点提供了有力证据。Müller-Lyer 错觉可以用大小恒常性和深度线索的误用来解释 (Gregory)，但跨文化研究也提出了质疑。Ponzo 错觉依赖于线条透视，而 Ames 房间则通过操控显见距离扭曲了人们对大小的感知。
Monocular depth cues include linear perspective, relative size, superimposition, height in plane, and texture gradient. Binocular cues rely on retinal disparity and convergence. These cues work together to help the perceiver construct a three-dimensional world from two-dimensional retinal images.
单眼深度线索包括线条透视、相对大小、遮挡、平面高度和纹理梯度等。双眼线索则依赖于视网膜像差和辐合。这些线索共同帮助感知者从二维的视网膜图像中构建出三维世界。
5. Classical Conditioning | 经典条件反射
Classical conditioning, discovered by Pavlov, is a learning process in which a neutral stimulus becomes associated with an unconditioned stimulus (UCS) that naturally elicits an unconditioned response (UCR). Through repeated pairings, the neutral stimulus becomes a conditioned stimulus (CS) capable of triggering a conditioned response (CR).
经典条件反射由巴甫洛夫发现，是一种将中性刺激与自然引发无条件反应 (UCR) 的无条件刺激 (UCS) 建立联结的学习过程。经过反复配对，中性刺激变为条件刺激 (CS)，能够引发条件反应 (CR)。
Watson and Rayner's 'Little Albert' study (1920) demonstrated that emotional responses could be conditioned in humans. A white rat (CS) was paired with a loud noise (UCS) until Albert exhibited fear (CR) to the rat alone. The phobia also generalised to other furry objects, illustrating stimulus generalisation.
Watson 和 Rayner 的“小阿尔伯特”研究 (1920) 证明，人类的情绪反应可以被条件化。将白鼠 (CS) 与巨大声响 (UCS) 配对，直到阿尔伯特仅见到白鼠就表现出恐惧 (CR)。这种恐惧还泛化到了其他带毛的物品上，体现了刺激泛化。
Key processes include extinction (CR weakens when CS is presented without UCS), spontaneous recovery (reappearance of CR after a pause), generalisation (responding to stimuli similar to CS), and discrimination (learning to distinguish between CS and other stimuli). Temporal contiguity is critical for conditioning to occur.
关键过程包括消退（当单独呈现CS而不伴随UCS时，CR减弱）、自然恢复（暂停后CR再次出现）、泛化（对与CS相似的刺激作出反应）和分化（学会区分CS与其他刺激）。时间上的接近性是形成条件反射的关键。
6. Operant Conditioning and Social Learning | 操作性条件反射与社会学习
Operant conditioning, formulated by Skinner, involves learning through consequences. Behaviours are strengthened by reinforcement and weakened by punishment. Positive reinforcement adds a pleasant stimulus, whereas negative reinforcement removes an unpleasant stimulus; both increase the likelihood of behaviour. Positive punishment adds an aversive stimulus, and negative punishment removes a pleasant one, both decreasing behaviour.
操作性条件反射由斯金纳提出，是通过行为后果进行学习的过程。强化增强行为，惩罚削弱行为。正强化增加愉悦刺激，负强化移除不愉快刺激，两者都提高行为发生的概率。正惩罚施加厌恶刺激，负惩罚移除愉悦刺激，两者都降低行为概率。
Shaping involves reinforcing successive approximations toward a target behaviour. Schedules of reinforcement (fixed-ratio, variable-ratio, fixed-interval, variable-interval) produce different patterns of responding; variable-ratio schedules, for example, lead to high, steady response rates and are characteristic of gambling behaviour.
行为塑造指通过强化越来越接近目标行为的动作来建立新行为。强化程序（固定比率、可变比率、固定时距、可变时距）会产生不同的
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