<span>When the child thinks that after arranging two rows of pennies and then s/he conclude that it is longer than the top row, the child is in preoperational Piaget's stage. This stage also demonstrate that the cognitive development is defined by its egocentric thought, the ability of a person to see things in a different perspective.</span>
It's difficult to measure tacit knowledge, which is relevant to task performance, because of its unspoken nature.
<h3>What is Moderate Positive Correlation ?</h3>
When an increase in one variable causes another variable to increase or a decrease in one variable causes another variable to decrease, that's a positive correlation.
- The more time you spend running on a treadmill, the more calories you will burn.
- The longer your hair grows, the more shampoo you will need.
- The more money you save, the more financially secure you feel.
- A basic example of positive correlation is height and weight—taller people tend to be heavier, and vice versa.
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Meta analysis is a statistical technique for combining the results of several studies to reach an overall conclusion
<h3>What is Statistical technique?</h3>
There are several statistical technique that can be used depending on the data type and the analysis that is to be done.
Meta-analysis uses many results usually form more than one scientific studies before a conclusion can be reached.
Therefore,
Meta analysis a statistical technique for combining the results of several studies to reach an overall <em>conclusion</em>.
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The king held the highest position in society and priests, warriors, and merchants were also part of the upper class. The Maya believed their rulers were related to gods. Rulers were involved in religious ceremonies, led battles, had beautiful clothing/jewelry, and Kings wore huge feather headdresses and capes of cotton, jaguar skins, and feathers. Priests led religious ceremonies and were the most educated. Warriors fought battles with animal headdresses, jade jewels, and jaguar skin capes on their red and black painted bodies. Merchants directed trade among the cities and organized the transportation and distribution of goods. Together the members of the upper class controlled the politics, religion, and ceremony.
Answer: (1) visible light, with wavelengths between 0.4 and 0.8 micrometre, (2) ultraviolet light, with wavelengths shorter than 0.4 micrometre, and (3) infrared radiation, with wavelengths longer than 0.8 micrometre.
Explanation: <em>hope that helps :p</em>
