Whenever diploid populations are in hardy-weinberg equilibrium at a particular locus, _____.
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The allele's frequency should not change from one generation to the next
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Adaptive melanism describes selection for _______.
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Darker pigmentation
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These two graphs represent _______ and _______ selection.
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Stabilizing; disruptive
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A population distribution shows _______.
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Where and in what arrangement organisms are located
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Natural selection is an evolutionary mechanism by which _______.
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Advantageous traits become more common in a population
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______ occurs when sampling procedures employed in a study favor certain individuals or groups over others.
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Sampling bias
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What is the distance that sample mean values can deviate from the value of the population mean?
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Correct Answer:
Standard error of the mean
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A researcher wants to understand student’s study habits across the state. However, she lives in a rural area and decides to use the local middle school instead of schools across the state. What kind of sampling is this?
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Correct Answer:
Convenience sampling
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When a population is naturally grouped, selecting subgroups and omitting the other groups is an example of ______.
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Cluster sampling
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Which of the following methods of sampling is not random?
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Convenience sampling
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Sampling bias results in a sample that is not ______.
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Representative
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What is a limitation of cluster sampling?
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It limits a sample to individuals in the chosen clusters.
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What is a method of sampling in which the first participant is selected using simple random sampling, and then every nth person until all participants have been selected?
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Correct Answer:
Systematic sampling
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For very large populations, sampling without replacement is associated with ______ changes in probabilities from one selection to the next.
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Negligible
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What is a type of quota sampling in which subjects or participants are selected such that the known characteristics or demographics are proportionately represented in the sample?
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Proportionate quota sampling
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Who or what is included in a “subject pool?”
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College students
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Which category of sampling is used when the probability of selecting each individual in a population is known and every member of the population has an equal chance of being selected?
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Probability sampling
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A researcher identifies professional athletes as a group of interest to test her research hypothesis. She then identifies a few local professional teams and selects a small group of the local athletes to be observed. In this example, who is the target population?
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Correct Answer:
All professional athletes
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All members of a group of interest to a researcher are known as the target population.
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Correct Answer:
True
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A method of sampling in which the first participant is selected using simple random sampling, and then every nth person is systematically selected until all participants have been selected is known as_____
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Systematic sampling
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Subject is a term used to describe a human that is subjected to procedures in a research study and to identify the names of research designs.
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False
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A method of sampling in which a population is divided into subgroups or strata; participants are then selected from each subgroup using simple random sampling and are combined into one overall sample is known as_____
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Stratified random sampling
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Standard error of the mean is the standard error or distance that sample mean values can deviate from the value of the _____ mean.
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Population
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A type of stratified random sampling that involves selecting an equal number of participants in each subgroup is known as_____
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Simple stratified random sampling
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A method of sampling subjects and participants such that all individuals in a population have an equal chance of being selected and are selected using sampling with replacement is known as_____
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Simple random sampling
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A type of sampling used when little is known about the characteristics of a target population and an equal number of subjects or participants are selected for a given characteristic or demographic is known as_____
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Simple quota sampling
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A bias in sampling in which the sampling procedures employed in a study favor certain individuals or groups over others is known as_____
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Selection bias
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Sampling without replacement is a _____ sampling strategy most often used by behavioral researchers in which each individual selected is not replaced before the next selection.
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Non random
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Sampling with replacement is a strategy used with_____sampling in which each individual selected is replaced before the next selection to ensure that the probability of selecting each individual is always the same.
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Random
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The portion of the target population that can be clearly identified and directly sampled from is known as_____
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Sampling Frame
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The extent to which sample means selected from the same population differ from one another is known as_____
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Sampling error
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A bias in which the sampling procedures employed in a study favor certain individuals or groups over others is known as_____
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Correct Answer:
Sampling bias
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Representative sample is a sample in which the characteristics of individuals or items in the sample differ from those in a target population of interest.
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Correct Answer:
False
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A method of sampling in which subjects or participants are selected based on known or unknown criteria or characteristics in the target population is known as_____
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Quota sampling
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In _____ sampling, a proportionate number of participants are sampled from each subgroup such that the sample resembles proportions in the population of interest.
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Proportionate stratified random sampling
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In _____ sampling,subjects or participants are selected such that the known characteristics or demographics are proportionately represented in the sample.
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Proportionate quota sampling
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In _____ methods are used when the probability of selecting each individual in a population is known and every member of the population has an equal chance of being selected.
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Probability sampling
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Participant is a term used to describe a human who _____ in a research study.
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Volunteers to be the subject
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A bias in sampling in which a number of participants in one or more groups choose not to respond to a survey or request to participate in a research study is known as_____
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Nonresponse bias
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A category of sampling in which a sample is selected from the accessible population and used used when it is not possible to select individuals directly from the target population is known as_____
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Non probability sampling
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A method of sampling in which participants are selected for a research study based on how easy or it is to access them and based on their availability to participate.
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Convenience sampling
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A method of sampling in which subgroups of individuals are identified in a population, and then a portion of clusters that are representative of the population is selected such that all individuals in the selected clusters are included in the sample is known as_____
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Cluster sampling
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The portion of the target population that can be clearly identified and directly sampled from is known as_____
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Accessible population
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