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What would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations?
A PET scan would be most useful for detecting brain areas that are most active as a person performs mathematical calculations.
What is transect sampling?
Transect sampling is a method used in ecological studies to assess the distribution and abundance of species within a specific area. It involves laying out a predetermined line or path, called a transect, across a habitat and systematically sampling at regular intervals along this line. This approach helps researchers collect data on various ecological parameters, such as plant density or species diversity, while minimizing bias and ensuring that the sampling represents the overall environment. It's particularly useful in studying gradients or changes in ecosystems, such as those influenced by environmental factors.
What about accidental sampling?
Accidental sampling is a type of nonprobability sampling which involves the sample being drawn from that part of the population which is close to hand. That is, a sample population selected because it is readily available and convenient. The researcher using such a sample cannot scientifically make generalizations about the total population from this sample because it would not be representative enough. For example, if the interviewer was to conduct such a survey at a shopping center early in the morning on a given day, the people that he/she could interview would be limited to those given there at that given time, which would not represent the views of other members of society in such an area, if the survey was to be conducted at different times of day and several times per week. This type of sampling is most useful for pilot testing.
What does mugenda mugenda sampling formula state?
The Mugenda and Mugenda sampling formula is used to determine the appropriate sample size for a study based on a specific population size and the desired margin of error. The formula accounts for the confidence level, population size, and the variability of the responses. It is particularly useful in social sciences for research involving large populations, ensuring that the sample accurately represents the larger group. The formula helps researchers make informed decisions about how many participants to include in their studies.
What are time sampling observations?
Time sampling observations are a research method used to collect data on behaviors or events over specific intervals. This technique involves observing a subject or group at predetermined time intervals, allowing researchers to capture a snapshot of behavior rather than continuous observation. It is particularly useful for studying behaviors that occur intermittently or in natural settings, providing a systematic way to analyze patterns over time. By focusing on specific moments, researchers can efficiently gather data while minimizing observer bias.
Are quotas useful?
Quotas are useful especially in sampling when selecting survey participants.
Explain natural variations and how they can be useful for detecting forgeries?
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What does barometers do?
It's a useful instrument for detecting weather. It measures air pressure.
What would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations?
A PET scan would be most useful for detecting brain areas that are most active as a person performs mathematical calculations.
Which of the following scientific procedures is most useful for helping survey researchers avoid false generalizations?
Random Sampling
What are monetary factors?
Monetary factors are the aspects of an issue that have to do with money. E.g. "While it might prove useful to purchase a helicopter, the monetary factors, such as the cost of purchasing, fueling and maintaining it, together for the cost of a heliport, make it impractical."
Understanding the definition of liquidity is useful in learning about monetary policy?
I person must be able to understand the definition of liquidity in order to learn about monetary policy. true
Advantages of snowball sampling?
Snowball sampling allows for the recruitment of hard-to-reach populations, such as marginalized or hidden communities. It is particularly useful for studying groups where there is no defined sampling frame. Additionally, it can help build trust and rapport with participants as referrals come from within the community.
What would be most useful for detecting the brain areas that are most active as a person performs mathematical calculation?
brain lesion
Instruments useful in detecting nerve agent or vesicant vapor clouds?
Chemical detection alarms, chemical detection paper.
How can diamonds not be wasted?
Diamonds are not generally wasted, given their monetary value and useful value as the hardest mineral known.
Q1what is work sampling and what are the advantages nad disadvantages of work sampling over time study?
Work sampling involves recording activities and fixed or random intervals, these activities may or may not be rated.Work sampling is good for measuring things occurring over longer periods like the working week (e.g. contingencies like small/infrequent delays). Time study is good for measuring individual operations and operators to establish standard minute values. Work sampling can also do this and is useful for measuring groups of operators / machines at a time.
