数字和非数值大小在子条件歧视行为中的作用
Francisca Diaz1, Edward A Wasserman1
1The University of Iowa, Department of Psychological and Brain Sciences.
Journal of experimental psychology. Animal learning and cognition
|October 26, 2023
概括
子依赖于非数值线索,如大小,当可用于数值任务时. 然而,当非数字信息不可靠时,他们可以专注于精确的数字,在数字歧视中展示认知灵活性.
科学领域:
- 比较认知能力的比较
- 数字认知 数字认知
- 动物行为 动物行为
背景情况:
- 数值表示可以受到非数值大小的影响,这是数值认知理论中争论的现象.
- 了解任务需求如何影响数值和非数值信息之间的相互作用对于认知研究至关重要.
研究的目的:
- 调查非数值大小 (累积面积,物品大小) 对子数值区分行为的影响.
- 为了确定任务要求如何通过数字与非数字信息调节刺激控制在子.
主要方法:
- 用视觉显示器训练子执行数字分辨任务.
- 实验操纵了累积面积和项目号码之间的相关性,并改变了单个项目大小.
- 通过观察不同条件下的行为反应来评估刺激控制.
主要成果:
- 子的数值区分表现遵循韦伯定律,表明非象征性数值表示.
- 子优先考虑非数字信息 (面积,大小),当它可靠地预测正确的选择时.
- 当非数字线索变得不可靠时,子将依赖转向数字信息.
结论:
- 子表现出灵活的刺激控制,在歧视任务中优先考虑可靠的非数字信息而不是数字信息.
- 任务需求可以被操纵,将注意力转移到数字表示上,即使存在非数字线索.
- 这些发现有助于理解数字认知的机制以及非人类动物中不同信息类型的整合.
相关概念视频
One-Way ANOVA: Equal Sample Sizes
One-Way ANOVA can be performed on three or more samples with equal or unequal sample sizes. When one-way ANOVA is performed on two datasets with samples of equal sizes, it can be easily observed that the computed F statistic is highly sensitive to the sample mean.
Different sample means can result in different values for the variance estimate: variance between samples. This is because the variance between samples is calculated as the product of the sample size and the variance between the...
Different sample means can result in different values for the variance estimate: variance between samples. This is because the variance between samples is calculated as the product of the sample size and the variance between the...
One-Way ANOVA: Unequal Sample Sizes
One-way ANOVA can be performed on three or more samples of unequal sizes. However, calculations get complicated when sample sizes are not always the same. So, while performing ANOVA with unequal samples size, the following equation is used:
Numerical Calculations
In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
Real Number Operations
The concept of real numbers includes all the values that can be represented on a continuous number line. The system began with basic counting values used for enumeration. It later expanded to include values that represent the absence of quantity and opposites of the counting values. When situations required expressing parts of a whole or dividing quantities evenly, values capable of representing such proportions were developed. When written using decimal notation, these values can end or repeat...
Inequalities
Inequalities express mathematical relationships where two values are not equal and are compared using symbols such as <, >, ≤, or ≥. These expressions define a range of possible solutions rather than a single value. Interval notation provides a concise way to express these solution sets, especially when the variable spans a continuous range. An open interval, written as (a, b), excludes the endpoints, while a closed interval [a, b] includes them. There are also half-open intervals, such...
Application of Nonlinear Inequalities
A nonlinear inequality describes a comparison involving an expression that curves or behaves more complexly than a straight line. These inequalities often appear in forms that include squares, products, or variables in the denominator.To solve such an inequality, one starts by rewriting it so that zero appears on one side. For example, the inequality: can be factored as: This form makes it easier to identify the values that cause the expression to equal zero. In this case, the key values are 3...


