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Why is it wrong for a researcher to assign the first subjects to show up for an experiment to the experimental group and the second group of subjects to arrive to the control group?
Because then the grouping is (technically) not random. In order for an experiment to yield proper results, the grouping must be random. If the researcher assigns subjects to groups in the order in which they arrive, then the randomness of the experiment is not present. cw: There are experiments on experiments that show that the first half of subjects are different from the second half of subjects. Why is another question. So you should randomize the allotment of subjects to treatments (groups).
What makes a valid experiment?
A valid experiment is characterized by a clear hypothesis, a control group for comparison, random assignment of participants, and the ability to replicate the results. It should also have ethical considerations and controls in place to minimize bias and confounding variables.
What should each note that the researcher prepares contain?
Each note should contain a clear, detailed description of the research findings or observations, including any relevant data, methodology used, and conclusions drawn. It should also include references, any limitations or biases in the research, and suggestions for further study or analysis.
What way can classical conditioning to be most effective and long lasting?
When the conditioned stimulus isn't repeated constantly, it must be consistent but not too often. Also, the timing or sequence of the stimulus should be consistent, that is if for a conditioned response to occur a conditioned stimulus was applied within 2 seconds, it should always be applied within that 2 second window. So, to summarize, timing and consistency are the two factors for that should be satisfied for a classical conditioning to be effctive and long lasting.
What ethical considerations should be taken into account when conducting a rat drowning experiment?
When conducting a rat drowning experiment, ethical considerations should include ensuring the well-being and humane treatment of the animals involved, obtaining proper consent if applicable, minimizing harm and distress to the rats, and adhering to ethical guidelines and regulations set forth by governing bodies.
An experiment should consist of what two things?
An experiment should consist of an independent variable, which is the variable that is manipulated or changed by the researcher, and a dependent variable, which is the variable that is measured or observed to determine the effect of the independent variable.
What is the part of the experiment that can not be change?
The independent variable, which is the factor being changed or manipulated by the researcher, should not be changed during the course of the experiment to maintain consistency and validity of the results.
How many variables that can change throughout an experiment should a researcher investigate?
A researcher should focus on a manageable number of variables, typically one to three independent variables, to maintain clarity in their investigation. This allows for a more controlled experiment, enabling the researcher to isolate the effects of those variables on the dependent variable. Too many variables can complicate the analysis and interpretation of results, making it difficult to draw meaningful conclusions. Ultimately, the goal is to balance comprehensiveness with clarity.
Skills of a good researcher?
Dedication and interest are some skills of a good researcher. A research should be determined to find the answer to their problem.
How many variables should have an experiment?
A experiment should only have one variable.
The aim of an experiment should be in the form of a what?
An experiment should be designed to answer a specific question.
What is a published hypothesis?
A published hypothesis is a proposed explanation for a phenomenon that has undergone a formal review process and has been documented in a scientific journal or publication. It outlines the researcher's expectation about the relationship between variables or the outcome of an experiment.
Why should a researcher never quote from an annotation?
Because its secondary authority.
What is a constant is an experiment?
Constants are the things that are kept the same each time one of the trials in the experiment is repeated. For example, constants could include the amount of water used, the brand of effervescent tablet used, the type of water used, and the fact that the water was not stirred. As many outside factors as possible should be kept constant in an experiment so that the researcher can be sure that any changes that occur do so because of the independent variable.
How long should a researcher maintain a dataset after publishing the research report?
A researcher should maintain a dataset after publishing the research report for a minimum of five years to ensure transparency and reproducibility of the study findings.
In a science experiment how long should the experiment turn out paper be?
It depends on what your experiment was. You should ask a teacher or someone that you know who has done this before.
What should be done after colecting data for an experiment?
The data should be organized and the experiment's materials cleaned?
