Where can I find information on how to conduct an experiemnt on the affect of humidity on the hair of mammals?

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What effect on the hair concerns you? In other words, you need to define your dependent variable in specific measureable terms. Because the effect might differ — depending on which mammal is used — the specific type of animal needs to be identified. You can keep these animals in compartments where humidity can be adequately controlled for your independent variable.

Possibly a review of the experimental process might be helpful.

An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable.

A dependent variable is the response or measure of results.

Extraneous variables — other than the independent variable — potentially can affect the dependent variable, so they must be controlled. If possible, you try to keep them constant between the experimental and control group.

The experimental group receives the independent variable.

The control group is similar to experimental, except it does not receive the independent variable. Extraneous variables are balanced between experimental and control groups.

Types of experiments

1. Single blind gives the control group a placebo — a substance that is inert, it has no physical effect. Subjects don't know if they are in experimental or control group to reduce placebo effect, a change in behavior solely due to believing that you are getting the independent variable.

2. Double blind keeps both subjects and experimenter ignorant of group setup. Distribution of the independent variable and placebo is controlled by third party. This controls for experimenter bias and self-fulfilling prophecy. This means that experimenters with particular expectations are likely to consciously or unconsciously to bias the experiment and influence it to conform to their expectations.

As an example, suppose you want to find out if fluorides reduce dental cavities. You would find two groups, trying to control the extraneous variables. Extraneous variables are found by surveying previous research in the area. In this case, you would match the groups in terms of previous history of cavities, diet and dental hygiene habits including how and how often they brush their teeth.

The experimental group would get toothpaste with the independent variable, the fluoride, while the control group would not have the fluoride in their toothpaste. The toothpaste without the fluoride would be the placebo.

The dependent variable would be the number of cavities after participating in the experiment for a time. The dependent variable indicates the results, but it is not the results. At the end of the experiment, both groups could have no change in cavities or one of the groups could have a greater reduction in cavities. (Of course, if the fluoride increased cavities, you wouldn't want to use it.) All of these varied results would be indicated in terms of the dependent variable.

If only the subjects do not know who is getting the fluoride, it is a single blind experiment. If both the subjects and experimenter do not know, it is a double blind.

I hope this helps. Thanks for asking.

Explain Bot Explain Bot answered
8 months ago

To conduct an experiment on the effect of humidity on the hair of mammals, you will need to follow these steps:

1. Define your dependent variable: Determine what specific aspect of the hair you are interested in measuring. For example, you could measure hair frizz, elasticity, or moisture content. Make sure your dependent variable is measurable and specific.

2. Identify the type of mammal: Choose the specific type of mammal you want to conduct your experiment on. Different mammals may respond differently to humidity, so it's important to specify this.

3. Control humidity: Create compartments or environments where you can control the humidity levels. This will allow you to expose one group of mammals to high humidity and another group to low humidity, serving as your independent variable.

4. Determine the experimental and control groups: Assign one group of mammals to the experimental group and expose them to high humidity. Assign another group of mammals to the control group and keep them in a low humidity environment. This will help you compare the effects of humidity on the hair.

5. Control extraneous variables: Identify and control other factors that could affect the dependent variable. For example, you may want to keep the diet, grooming habits, and environmental conditions constant for all mammals.

6. Conduct your experiment: Measure the dependent variable in both the experimental and control groups over a specific period of time. Record and analyze the results.

7. Report your findings: Summarize your findings and draw conclusions based on the data collected. Make sure to mention any limitations or potential sources of error in your experiment.

Additionally, it may be helpful to review the experimental process, including terms like independent variable (the factor being manipulated), dependent variable (the response or measure of results), and extraneous variables (other factors that may affect the dependent variable).

Remember, conducting experiments requires proper planning, control of variables, and careful data collection. Always consult relevant scientific literature, and if possible, seek guidance from a mentor or expert in the field.

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