AP Psychology Core Concepts Review | AP心理学核心知识点精讲

📚 AP Psychology Core Concepts Review | AP心理学核心知识点精讲

AP Psychology covers the scientific study of behavior and mental processes. Mastering its core concepts—from biological roots to social influences—is essential for the exam and for understanding human nature.

AP心理学涵盖了行为与心理过程的科学研究。掌握从生物学根源到社会影响等核心知识点，对于考试以及理解人类本性至关重要。

1. Major Psychological Perspectives | 主要心理学流派

Psychology has diverse perspectives, each offering a unique lens for interpreting behavior and mental processes. The key perspectives include:

心理学有多个流派，每个流派为解释行为和心理过程提供了独特的视角。主要流派包括：

Biological perspective: Emphasizes genetics, neural structures, and brain chemistry. It links behavior to neurotransmitters and endocrine system activity.

生物学流派：强调遗传、神经结构和脑化学。它将行为与神经递质和内分泌系统的活动联系起来。

Behavioral perspective: Focuses on observable behaviors and environmental influences through classical and operant conditioning. Pioneered by Watson, Pavlov, and Skinner.

行为主义流派：通过经典条件反射和操作性条件反射，关注可观察的行为和环境的影响。由华生、巴甫洛夫和斯金纳开创。

Cognitive perspective: Examines mental processes like memory, problem-solving, and decision-making. It compares the mind to a computer and studies schemas and information processing.

认知流派：考察记忆、问题解决和决策等心理过程。它将心智比作计算机，并研究图式和信息加工。

Psychodynamic perspective: Rooted in Freud’s theories, it emphasizes unconscious drives, childhood experiences, and defense mechanisms. Neo-Freudians expanded into social and interpersonal dynamics.

心理动力学流派：源于弗洛伊德的理论，强调无意识驱力、童年经历和防御机制。新弗洛伊德主义者将其扩展到社会和人际动力。

Humanistic perspective: Stresses free will, self-actualization, and the innate human drive for growth. Key theorists are Rogers and Maslow, who introduced unconditional positive regard.

人本主义流派：强调自由意志、自我实现以及人类固有的成长驱力。主要理论家有罗杰斯和马斯洛，他们提出了无条件的积极关注。

Socio-cultural perspective: Investigates how culture, gender, ethnicity, and social norms shape behavior and thinking. Highlights cross-cultural differences in psychological phenomena.

社会文化流派：研究文化、性别、种族和社会规范如何塑造行为与思维。突出心理现象中的跨文化差异。

Evolutionary perspective: Uses principles of natural selection to explain psychological traits, such as mate selection, altruism, and fear responses. It asks how a behavior enhanced survival and reproduction.

进化流派：用自然选择原理解释心理特征，比如择偶、利他行为和恐惧反应。它探究某种行为如何促进生存和繁衍。

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2. Research Methods | 研究方法

Psychological research relies on scientific methods to test hypotheses and establish causal or correlational relationships. Operational definitions make variables measurable.

心理学研究依赖科学方法来检验假设，并确立因果关系或相关关系。操作性定义使变量可测量。

Experiment: The only method that can determine cause and effect. Researchers manipulate an independent variable (IV) and measure a dependent variable (DV) while controlling confounding variables. Random assignment to experimental and control groups is crucial.

实验法：能够确定因果关系的唯一方法。研究者操控自变量（IV）并测量因变量（DV），同时控制混淆变量。随机分配实验组和控制组至关重要。

Correlational research: Measures the association between two variables without manipulation. The correlation coefficient (r) ranges from -1.0 to +1.0. A positive correlation indicates that as one variable increases, the other also increases. Note: correlation does not imply causation!

相关研究：在不进行操控的情况下测量两个变量之间的关联。相关系数（r）范围从-1.0到+1.0。正相关表示一个变量增加时另一个也增加。注意：相关不代表因果关系！

Descriptive methods include naturalistic observation, case studies, and surveys. They describe behavior but cannot establish cause and effect. The double-blind procedure and informed consent are key ethical safeguards.

描述性方法包括自然观察、个案研究和调查。它们描述行为但不能建立因果关系。双盲程序和知情同意是关键的伦理保障。

The normal distribution is symmetric, and approximately 68% of scores fall within 1 standard deviation (SD) of the mean. The standard deviation formula is:

正态分布是对称的，大约68%的分数落在均值±1个标准差范围内。标准差公式为：

s = √[Σ(x − x̄)² / (n − 1)]

Inferential statistics, such as t-tests, help determine if results are statistically significant (p < .05).

推断统计，如t检验，帮助确定结果是否具有统计显著性（p < .05）。

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3. Biological Bases of Behavior | 行为的生物学基础

All behavior has a biological foundation. Neurons communicate via electrical impulses and neurotransmitters across synapses.

所有行为都有生物学基础。神经元通过电脉冲和神经递质在突触之间进行通信。

Acetylcholine (ACh) is involved in muscle contraction and memory; its deficiency is linked to Alzheimer’s disease. Dopamine influences movement, reward, and motivation; excess is associated with schizophrenia, while deficiency relates to Parkinson’s.

乙酰胆碱（ACh）参与肌肉收缩和记忆；其缺乏与阿尔茨海默病有关。多巴胺影响运动、奖赏和动机；过量与精神分裂症相关，而缺乏则与帕金森病有关。

Serotonin regulates mood, sleep, and appetite. Low levels are associated with depression. Endorphins act as natural painkillers, producing euphoria during exercise.

血清素调节情绪、睡眠和食欲。低水平与抑郁症相关。内啡肽作为天然止痛剂，在运动中产生欣快感。

The sympathetic nervous system arouses the body for fight-or-flight, increasing heart rate and breathing. The parasympathetic system calms the body, promoting rest and digestion.

交感神经系统唤醒身体以应对“战斗或逃跑”，加快心率和呼吸。副交感神经系统使身体平静，促进休息和消化。

Key brain structures: The frontal lobe controls executive functions and personality; the hippocampus consolidates explicit memories; the amygdala processes fear and aggression; the hypothalamus regulates hunger, thirst, and body temperature.

关键脑结构：额叶控制执行功能和人格；海马体巩固外显记忆；杏仁核处理恐惧和攻击；下丘脑调节饥饿、口渴和体温。

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4. Sensation and Perception | 感觉与知觉

Sensation is the detection of physical energy by sensory receptors. Perception is the brain’s interpretation of sensory input. Absolute threshold is the minimum stimulus detected 50% of the time, while difference threshold (just noticeable difference) follows Weber’s law.

感觉是感受器对物理能量的探测。知觉是大脑对感觉输入的解释。绝对阈限是50%次数能探测到的最小刺激，而差异阈限（最小可觉差）遵循韦伯定律。

ΔI / I = k

Signal detection theory accounts for response biases and decision processes. There is no single absolute threshold; rather, detection depends on stimulus strength and the observer’s expectancy.

信号检测论考虑反应偏差和决策过程。并不存在单一的绝对阈限；探测取决于刺激强度与观察者的期望。

Gestalt principles guide perceptual organization: proximity, similarity, continuity, closure, and figure-ground. Depth perception uses binocular cues (retinal disparity, convergence) and monocular cues (relative size, overlap, texture gradient).

格式塔原则指导知觉组织：接近性、相似性、连续性、闭合性和图形-背景。深度知觉利用双眼线索（视网膜视差、辐合）和单眼线索（相对大小、遮挡、纹理梯度）。

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5. Learning | 学习

Classical conditioning (Pavlov) pairs a neutral stimulus with an unconditioned stimulus to elicit a conditioned response. Key processes: acquisition, extinction, spontaneous recovery, generalization, and discrimination.

经典条件反射（巴甫洛夫）将中性刺激与无条件刺激配对，引发条件反应。关键过程：习得、消退、自然恢复、泛化和分化。

Operant conditioning (Skinner) uses reinforcement and punishment to shape voluntary behaviors. Positive reinforcement adds a desirable stimulus; negative reinforcement removes an aversive stimulus. Both increase behavior. Punishment decreases behavior.

操作性条件反射（斯金纳）利用强化和惩罚塑造主动行为。正强化添加愉悦刺激；负强化移除厌恶刺激。两者都增加行为。惩罚则减少行为。

Reinforcement schedules vary: fixed-ratio (after a set number of responses), variable-ratio (after an unpredictable number), fixed-interval (after a set time), and variable-interval. Variable-ratio produces the highest response rate.

强化程式多样：固定比率（一定次数后）、可变比率（不可预测次数后）、固定间隔（一定时间后）、可变间隔。可变比率产生最高的反应率。

Observational learning (Bandura) occurs by watching models. The Bobo doll experiment showed children imitating aggressive acts. Mirror neurons may provide a neural basis for imitation.

观察学习（班杜拉）通过观察榜样发生。波波娃娃实验显示儿童模仿攻击行为。镜像神经元可能为模仿提供神经基础。

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6. Memory | 记忆

The Atkinson-Shiffrin three-stage model includes sensory memory, short-term (working) memory, and long-term memory. Working memory involves active manipulation of information with a central executive, phonological loop, and visuospatial sketchpad.

阿特金森-希夫林三阶段模型包括感觉记忆、短时（工作）记忆和长时记忆。工作记忆涉及信息的主动加工，包含中央执行器、语音环路和视空间模板。

Encoding can be automatic or effortful; deep (semantic) encoding leads to better retention. Mnemonic devices, chunking, and the self-reference effect improve recall.

编码可以是自动或努力的；深层（语义）编码带来更好的保持。记忆术、组块和自我参照效应能改善回忆。

Long-term memory divides into explicit (declarative: semantic and episodic) and implicit (procedural, priming). Consolidation, aided by sleep, stabilizes memories.

长时记忆分为外显（陈述性：语义和情景）和内隐（程序性、启动）。巩固过程（睡眠促进）使记忆稳定。

Forgetting results from encoding failure, storage decay, or retrieval failure. Proactive interference (old disrupts new) and retroactive interference (new disrupts old) are common. Misinformation effect and source amnesia create false memories.

遗忘源于编码失败、储存衰退或提取失败。前摄干扰（旧干扰新）和倒摄干扰（新干扰旧）很常见。误导信息效应和来源遗忘可产生虚假记忆。

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7. Cognitive Psychology: Thinking & Language | 认知心理学：思维与语言

Concepts simplify thinking. A prototype is the best example of a category; an algorithm guarantees a solution while heuristics are mental shortcuts (e.g., availability heuristic, representativeness heuristic).

概念简化思维。原型是范畴中的最佳样例；算法保证得出解决方案，而启发式是心理捷径（如可得性启发、代表性启发）。

Confirmation bias leads us to favor evidence supporting our beliefs. Fixation (mental set, functional fixedness) hinders problem-solving. Framing effects show that how a problem is presented influences decisions.

确认偏误使我们偏爱支持已有信念的证据。固着（心理定势、功能固着）阻碍问题解决。框定效应表明问题的呈现方式会影响决策。

Language structures include phonemes, morphemes, grammar, and syntax. Chomsky proposed an innate language acquisition device, while Whorf’s linguistic relativity hypothesis suggests language shapes thought.

语言结构包括音素、词素、语法和句法。乔姆斯基提出先天的语言习得装置，而沃夫的语言相对论假说认为语言塑造思维。

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8. Developmental Psychology | 发展心理学

Piaget’s cognitive stages: sensorimotor (object permanence), preoperational (egocentrism, lack of conservation), concrete operational (logical thinking about concrete events), and formal operational (abstract reasoning).

皮亚杰的认知阶段：感知运动阶段（客体永久性）、前运算阶段（自我中心、缺乏守恒）、具体运算阶段（对具体事件的逻辑思维）、形式运算阶段（抽象推理）。

Vygotsky emphasized the zone of proximal development (ZPD) and scaffolding—learning with guidance from more skilled partners.

维果茨基强调最近发展区（ZPD）和支架——在更有能力的伙伴指导下学习。

Erikson’s psychosocial stages span the lifespan, each with a crisis, such as trust vs. mistrust in infancy, identity vs. role confusion in adolescence, and integrity vs. despair in late adulthood.

埃里克森提出涵盖一生的心理社会阶段，每个阶段都有一个危机，如婴儿期的信任对不信任、青春期的同一性对角色混乱、成年后期的完善感对绝望感。

Attachment research (Harlow, Ainsworth) shows the importance of contact comfort and secure base. Ainsworth’s ‘Strange Situation’ identified secure, anxious-avoidant, and anxious-resistant attachment styles.

依恋研究（哈洛、安斯沃斯）表明接触舒适和安全基地的重要性。安斯沃斯的“陌生情境”识别出安全型、焦虑-回避型和焦虑-反抗型依恋。

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9. Motivation, Emotion & Stress | 动机、情绪与压力

Drive-reduction theory states that physiological needs create drives that motivate us to restore homeostasis. Arousal theory adds that we seek an optimal level of stimulation (Yerkes-Dodson law).

驱力降低理论认为生理需求产生驱力，驱使我们恢复稳态。唤醒理论补充说我们寻求最佳刺激水平（耶克斯-多德森定律）。

Maslow’s hierarchy of needs ranges from basic physiological needs to self-actualization. Self-transcendence was later added at the top.

马斯洛需求层次从基本的生理需求到自我实现。后来在顶端增加了自我超越。

Emotion theories differ: James-Lange suggests arousal precedes emotion; Cannon-Bard argues arousal and emotion occur simultaneously; Schachter-Singer’s two-factor theory adds cognitive appraisal; Lazarus emphasizes cognitive appraisal first.

情绪理论各异：詹姆斯-兰格认为生理唤醒先于情绪；坎农-巴德主张唤醒与情绪同时发生；沙赫特-辛格双因素理论加入认知评价；拉扎勒斯则强调认知评价在先。

Stress triggers the general adaptation syndrome (alarm, resistance, exhaustion) via the HPA axis. Coping strategies can be problem-focused or emotion-focused. Perceived control and social support buffer stress.

应激通过HPA轴触发一般适应综合征（警觉、抵抗、衰竭）。应对策略可以是问题导向或情绪导向。感知控制和社交支持缓冲压力。

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10. Personality | 人格

Freud’s psychoanalytic theory divides the mind into id (pleasure principle), ego (reality principle), and superego (morality). Defense mechanisms, such as repression and projection, reduce anxiety unconsciously.

弗洛伊德精神分析理论将心理分为本我（快乐原则）、自我（现实原则）和超我（道德）。防御机制，如压抑和投射，无意识地减轻焦虑。

Humanistic theories focus on self-concept and growth. Rogers highlighted unconditional positive regard, genuineness, and empathy as necessary for self-actualization.

人本主义理论关注自我概念与成长。罗杰斯强调无条件的积极关注、真诚和共情对于自我实现是必需的。

Trait theories identify stable characteristics. The Big Five (OCEAN) includes Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism. These traits are relatively consistent across situations and cultures.

特质理论识别稳定的特征。大五人格（OCEAN）包括开放性、尽责性、外向性、宜人性和神经质。这些特质在跨情境和文化中相对一致。

Social-cognitive perspective (Bandura) emphasizes reciprocal determinism: behavior, personal factors, and environment mutually influence each other. Self-efficacy—belief in one’s ability—affects persistence.

社会认知视角（班杜拉）强调交互决定论：行为、个人因素和环境相互影响。自我效能感——对自己能力的信念——影响坚持性。

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11. Social Psychology | 社会心理学

Attribution theory explains

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