Communication

Cognitive Bias Checklist

Cognitive Bias Checklist

This directive is for clients whose decision-making and emotional regulation are hampered by automatic, unexamined thought patterns. It is most effective when an individual expresses a sense of being stuck or repeatedly makes errors in judgment, often due to a limited or skewed perspective they are unable to articulate on their own.

The tool operates by providing a concrete framework for identifying common mental shortcuts that lead to distorted conclusions. By externalizing and categorizing these processes, it helps the client develop metacognitive awareness. This provides a clear starting point for challenging the validity of their automatic assumptions and building more flexible thinking habits.

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Cognitive Bias Checklist

No.	Bias	Description	Recognize?
1	First Information Bias	You rely too heavily on the first piece of information you encounter when making decisions.
2	Availability Heuristic	You rely on easily recalled examples when making judgments, often overlooking less accessible but more accurate information.
3	Confirmation Bias	You seek out and favor information that confirms what you already believe, while ignoring evidence that contradicts it.
4	Gambler’s Fallacy	You believe that past random events influence the outcome of future independent events.
5	Halo Effect	Your overall positive impression of a person or thing in one area causes you to judge them positively in other, unrelated areas.
6	Hindsight Bias	After an event has occurred, you see it as having been more predictable than it actually was.
7	Illusory Correlation	You perceive a relationship between two things that is not supported by objective evidence.
8	Illusion of Control	You believe you have more control over outcomes than you actually do.
9	Information Bias	You seek additional information even when it is not necessary, believing it will lead to a better decision.
10	Negativity Bias	You give more weight and attention to negative information or experiences compared to positive ones.
11	Overconfidence Effect	You have excessive confidence in your own judgments and abilities, causing you to overestimate your performance or underestimate risks.
12	Placebo Effect	You experience a real improvement in your condition simply because you believe a treatment is working, even if it has no therapeutic value.
13	Recency Bias	You give more weight to recent events or information when making judgments, overlooking older data.
14	Sunk Cost Fallacy	You continue to invest time, money, or effort into a failing project solely because of the resources you have already invested.
15	Survivorship Bias	You focus on the people or things that “survived” a process and overlook those that failed, leading to incorrect conclusions.
16	Status Quo Bias	You prefer that things stay the same, leading you to resist change even when better options are available.
17	Bandwagon Effect	You adopt certain beliefs or behaviors simply because many others are doing so.
18	Choice-Supportive Bias	After making a choice, you retroactively see your chosen option as better and the rejected options as worse than they actually were.
19	Framing Effect	Your decision is influenced by how the information is presented, rather than by the information itself.
20	Self-Serving Bias	You attribute your successes to your own abilities but attribute your failures to external factors.
21	Fundamental Attribution Error	You overemphasize personal traits and downplay situational factors when explaining others’ behavior.
22	Endowment Effect	You place a higher value on things merely because you own them.
23	Not Invented Here Bias	You undervalue ideas or solutions that come from outside your own group, favoring internal approaches instead.
24	Peak-End Rule	You judge an experience based mainly on how you felt at its most intense point and at its end, rather than on the total experience.
25	Reactance	When you feel your freedom of choice is threatened, you have a negative reaction and an increased desire for the restricted option.
26	Dunning-Kruger Effect	You overestimate your competence in areas where you have low ability, while underestimating your competence in areas of high ability.
27	False Consensus Effect	You overestimate how much other people share your beliefs, attitudes, and opinions.
28	Insufficient Adjustment Bias	You rely heavily on an initial piece of information and then make small, insufficient adjustments from that starting point.
29	Authority Bias	You attribute greater accuracy to the opinion of an authority figure and are more influenced by it.
30	Curse of Knowledge	Once you know something, you find it difficult to imagine what it’s like for someone who does not know it.
31	Social Desirability Bias	You respond in ways that you believe will be viewed favorably by others, rather than expressing your true thoughts or feelings.
32	Actor-Observer Bias	You attribute your own actions to situational factors, but you attribute others’ actions to their personal character.
33	Availability Cascade	A belief gains more plausibility for you through its repeated assertion in public discourse.
34	Conformity Bias	You adjust your beliefs, attitudes, or behaviors to align with those of a group you are in.
35	Declinism	You believe that society or its institutions are in a state of decline, focusing on negative events while disregarding positive progress.
36	Egocentric Bias	You rely too heavily on your own perspective when considering events or information.
37	Belief Bias	You judge an argument’s strength based on whether its conclusion aligns with your existing beliefs, not on its logical soundness.
38	Curse of Dimensionality	You struggle to make decisions when faced with an overwhelming number of variables or options.
39	Attentional Bias	You selectively pay more attention to certain stimuli while ignoring others, based on your current emotional state or interests.
40	Base Rate Fallacy	You tend to ignore statistical information (base rates) in favor of specific, anecdotal information.
41	Illusion of Transparency	You overestimate how much your internal thoughts and emotions are obvious to others.
42	Optimism Bias	You are overly optimistic about the outcome of planned actions, underestimating potential risks.
43	Pessimism Bias	You consistently expect the worst possible outcome in a given situation, regardless of the actual evidence.
44	Semmelweis Reflex	You instinctively reject new evidence that contradicts your established beliefs or practices.
45	Stereotyping	You categorize individuals or groups based on perceived attributes, leading to generalizations about their behavior.
46	Zero-Risk Bias	You prefer to eliminate a small risk completely rather than achieve a greater reduction in a larger risk.
47	Clustering Illusion	You see patterns or meaningful connections in random data.
48	Comparative Negligence	When an adverse outcome occurs, you attribute less blame to yourself compared to others involved.
49	Forer Effect	You perceive vague and general personality descriptions as being highly accurate and specific to you.
50	Functional Fixedness	You see objects as only working in their typical way, which limits your ability to find alternative uses or solutions.
51	Gambler’s Conceit	You believe you are more likely to succeed in a risky situation based on previous successes, disregarding the role of chance.
52	In-Group Bias	You favor individuals who belong to the same group as you.
53	Law of the Instrument	You rely excessively on a familiar tool or method, even when it is not the most appropriate for the problem at hand.
54	Mere Exposure Effect	Your preference for something increases simply because you have been repeatedly exposed to it.
55	Omission Bias	You judge harmful actions as worse than equally harmful inactions (omissions).
56	Planning Fallacy	You underestimate the time, effort, or resources required to complete a future task.
57	Post-Purchase Rationalization	After making a purchase, you justify the decision by focusing on its positive aspects and ignoring any negatives.
58	Projection Bias	You assume that others share the same thoughts, beliefs, and preferences as you do.
59	Reactivity	You alter your behavior simply because you are aware you are being observed.
60	Selective Perception	You process information based on your existing beliefs, seeing only what confirms your preconceptions.
61	Serial Position Effect	You are more likely to remember the first and last items in a series, and have more difficulty recalling items in the middle.
62	Similarity Bias	You are more positively disposed toward individuals who are similar to you.
63	System Justification Bias	You defend and support existing social, economic, and political systems, even when they may be flawed.
64	Unit Bias	You accept a single unit or portion of an item as the appropriate amount to consume or use.
65	Zeigarnik Effect	You remember unfinished or interrupted tasks better than completed ones.
66	Actor-Observer Asymmetry	You attribute your own behavior to external factors but attribute others’ behavior to their internal character.
67	Ambiguity Effect	You avoid options for which missing information makes the probability of the outcome seem unknown.
68	First Information Heuristic	You rely heavily on the first piece of information you encounter, even if it is arbitrary, when making decisions.
69	Attention Bias	Your attention is heightened for specific information, often influenced by your personal interests or emotional state.
70	Availability Cascades	Your belief in an idea is amplified through its repetition and widespread availability, regardless of evidence.
71	Availability Heuristic Substitution	You substitute an easy-to-answer question for a more complex one without realizing it.
72	Base Rate Neglect	You ignore statistical (base rate) information in favor of specific, case-based information.
73	Bias Blind Spot	You fail to recognize your own cognitive biases but readily see biases in others.
74	Cheerleader Effect	You find individuals more attractive when they are in a group than when they are seen alone.
75	Choice Overload	You have difficulty making a decision when presented with too many options.
76	Cognitive Dissonance	You feel discomfort when holding conflicting beliefs, which motivates you to change one belief to reduce the conflict.
77	Comparative Advertising Effect	Your perception of a product is influenced when it is advertised as being superior to a competitor.
78	Disconfirmation Bias	You spend more time and effort scrutinizing information that contradicts your existing beliefs.
79	Distinction Bias	You see two options as more different when evaluating them simultaneously than you would if evaluating them separately.
80	Empathy Gap	You underestimate the influence of emotions on your own or others’ decision-making.
81	Exposure Effect	Your liking for something increases simply due to repeated exposure to it.
82	False Memory	You form a distorted or fabricated memory of an event that did not happen.
83	fMRI Effect	You attribute greater credibility to information that is accompanied by brain images or neuroscientific language.
84	Gambler’s Hot Hand Fallacy	You believe that a person who has experienced success has a greater chance of further success in subsequent attempts.
85	Groupthink	Within a group, you prioritize consensus over critical evaluation of alternative viewpoints.
86	Hawthorne Effect	You change or improve your behavior simply because you are aware of being observed.
87	Heuristics	You use mental shortcuts to make judgments and solve problems quickly, which may not always result in an accurate outcome.
88	Hyperbolic Discounting	You choose smaller, immediate rewards over larger, delayed rewards.
89	Ideomotor Effect	You make subconscious, involuntary physical movements because you are thinking about a particular action.
90	Implicit Association	You have subconscious connections between different concepts that influence your perceptions, even if they contradict your explicit beliefs.
91	Implicit Bias	You have unconscious preferences for certain groups that lead to unintentional differential treatment.
92	Inattentional Blindness	You fail to notice an unexpected object in plain sight because your attention is focused on another task.
93	Information Overload	Your decision-making quality is reduced because you are presented with an overwhelming amount of information.
94	Insensitivity to Sample Size	You disregard the importance of sample size when making judgments about statistical data.
95	Inter-Group Bias	You show preferential treatment toward your own group while exhibiting prejudice toward other groups.
96	Loss Aversion	You feel the negative impact of a loss more strongly than the positive impact of an equivalent gain, making you risk-averse.
97	Magical Thinking	You believe your thoughts or actions can directly influence events in a way that defies logical explanation.
98	Memory Biases	Your memories are distorted by various cognitive processes, leading to inaccuracies in your recollection of past events.
99	Moral Credential Effect	After doing something morally good, you feel licensed to engage in a subsequent behavior that is morally questionable.

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