Which of these factors is commonly manipulated during an experiment?      independent variable     dependent variable     controlled variable     continuous variable

Q: What is the distribution of the model that we can use for this hypothesis test? O A. t with 45…

A: Hi, Thanks For Your Question.  Answer : Correct Option B (z, the stadard normal distribution). When…

Q: What is the dependent variable or what is being measured? what is the independent variable or what…

A: "Research" is carried out to assess the validity of a hypothesis or an interpretative framework, to…

Q: Identify the dependent variable in the experiment whose data are shown in the figure above. Identify…

A: Experiments are tests or act done by scientists to validate a hypothesis by providing cause and…

Q: The 'control group' is an essential component of an experiment. This is because

A: Control group  In an experiment, a control group is use by experimenter to compare changes in…

Q: In the context of the Chi-square analysis, the null hypothesis states that…

A: The null hypothesis states that there should be no numerical difference between the measured and…

Q: [1] Instructions: Read each excerpt from a research paper and identify the dependent, independent,…

A: Dependent and independent variables are types of variables that are used in mathematical modelling.…

Q: If the p-value found in an experiment is 0.85. We reject the null hypothesis. True False

A: Statistical test is used to find whether null hypothesis is accepted or rejected.

Q: Pick one scientific conclusion that is put forth in this chapter that is based on both types of…

A: A scientific report typically depicts the results of scientific research in an experiment or either…

Q: What do you call a sample that goes through all the steps of an experiment but is not exposed to the…

A: A hypothesis  made cannot be necessarily right. Instead it is a best guess. however scientists…

Q: Which of the following is the best definition of the term controlled variables? O a) The variable is…

A: Any factor, attribute, or situation that can occur in different amounts or types is referred to as a…

Q: Fifteen randomly selected students are found to be taller than 6 feet. The researchers concluded…

A: Error based on statistical experiment design is known as experimental error. Hence option (a) is…

Q: Explain the factors that affect the validity of experimental data (controls, bias, correlation,…

A: The validity of an experiment is a measure of how accurate the results are.

Q: A new sunscreen claims to be better at preventing sunburn then any existing brand on the market. To…

A: The variables in an experiment are related to each other like a cause and effect. The Independent…

Q: 1)Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush…

A: In any scientific experiment, there are few kinds of variables. The independent variable can vary…

Q: I'm trying to make sense of what I'm supposed to do I have to write two statements on the conclusion…

A: The independent variable is the variable the experimenter changes or controls and is assumed to have…

Q: Identify the situation weather it’s empirical,cyclical,logical,methodical or replicability.Explain…

A: Introduction Research involves the investigation and study of some specific field to establish new…

Q: Which of the following statements BEST describes the concept of contamination in a randomized…

A: The RCT or randomized control trial is an experimental study  done in clinical setting on patients…

Q: If an experimental design includes systematic variation it means that: O Changes in only one…

A: ANSWER;- Across experiment units, independent variables are changed in such a way that the separate…

Q: In chi-squared analysis, by convention, when the p-value for the difference between the observed…

A: Chi-square analysis is a statistical method widely used in the field of genetics. It determines how…

Q: The variable is a part of the experiment that varies or changes. O True False

A: Variables are anything which changes or whose values do not remain constant in an experiment.…

Q: scientist is curious about the effects of diet on the gut length of spadefoot toad tadpoles.  She…

A: Option E

Q: From the diagram: 1. Is A responding variable? 2. Is B manipulated variable? 3. Is C controlled…

A: In experiments, scientists controls the variables present in the experiment as without controlling…

Q: Instructions: Read each excerpt from a research paper and identify the dependent, independent,…

A: Independent variable- the variable the researcher changes Dependent variable- the changes that…

Q: lease explain What are biological concepts of this experiment, limitations and…

A: According to the question, we have to explain the biological concepts of this experiment,…

Q: For this question, you will be comparing and contrasting: Meselson & Stah experiment and Beadle &…

A: Meselson and Stahl's  experiment : It demonstrated  that DNA replicated semi conservatively, meaning…

Q: scientific method?

A: Epidemiologists are public health workers. They investigate each and every statistical pattern and…

Q: Instructions: Read each excerpt from a research paper and identify the dependent, independent,…

A: Independent variable- variable or factor which is changed in the experiment to observe its effect.…

Q: What is the difference between observation and experiment, elaborate with examples?

A: The way in which new knowledge is created or the existing knowledge is used in new and creative way…

Q: The following are methods to control for bias during data collection, except: a. Assuring subjects'…

A: During any biological experiment, Data collection is very much important, and it shouldn't be…

Q: A correlation coefficient of -0.92 indicates that... Two variables strongly change with one another…

A: The coefficient of correlation depicts the relationship between two variables.

Q: For each of the following, identify which of the three basic principles of the Belmont Report is…

A: The Belmont Report is a report created by the National Commission for the Protection of Human…

Q: Why the results of the Swan-neck flask experiment were reliable ?: Select one: a. Because it…

A: To disprove the theory of spontaneous generation, Louis Pasteur invented a flask that allowed oxygen…

Q: A biologist set up an experiment to study 3 lizards. On the first day of his study, he measured the…

A: An experimental setup is performed to test the hypothesis. It is normally managed by defining the…

Q: You observe that every time your neighbor, who always wears a yellow hat, walks out his front door,…

A: An experimental setup contains several components: Hypothesis: a guess of the explanation of a…

Q: hypothesis accepted

A: Experimental biology is the set of approaches in the field of biology which  concerned with the…

Q: Rock pocket mice can either have a dark black coloration or light coloration.  You observe that most…

A: Natural Selection -- Theory of natural selection was given by Charles Darwin with relation to…

Q: A correlation between two variables implies that ... one variable may or may not directly affect the…

A: ANSWER;-d) One variable directly affects the other variable. Explain;- Connection is a factual…

Q: You are asked to draw and explain the goal of the Meselson-Stahl (1958) Experiment as outlined in…

A: Mathew Meselson and Franklin Stahl conducted an DNA replication experiment using Escherichia coli in…

Q: Which term is used to best describe the experimental treatment that is initiated/manipulated by the…

A: A variable in research refers to an entity such as age,height or temperature that can take on…

Q: 1. How can you tell which data is an independent variable? Dependent variable? 2. What kind of data…

A: Introduction:- Independent variable is a stand-alone variable that isn't affected by the other…

Q: hich of the following are usually considered as errors in the ranging or scaling of axes? Check all…

A: Axes must be ranged or scaled under the following conditions: The axes' values should begin at 0 and…

Q: In a controlled experiment all of the variables are kept the same in order to contsistent. there is…

A: Conducting experiments to prove or refute hypotheses is an integral part of the scientific method of…

Q: A well-designed experiment will contain both positive and negative controls.  Which of the following…

A: Biology is a discipline of science concerned with the study of life, including the structure,…

Q: A scientist wants to determine if adding protein to the normal diet that she feeds her scorpion will…

A: Adding protein to the normal diet that she feeds her scorpion will make it grow faster.

Q: A General Biology student designed an experiment to see if there was a correlation between the…

A: The dependent variable is that the variable that's being measured or tested in associate experiment.…

Q: what is the difference between a quasi-experimental design and an experimental design

A: Research is the process of finding out something new. It is the method to find out the answers to…

Q: ___________   __________ is the precise repetition of an experiment or expansion of observed data to…

A: Nowadays there are several researches going on over the the globe. For designing an experiment or…

Q: 9. Why is a control group generally very important in an experiment?

A: Experiments are done to find out the conclusion of any problem.

Q: The purpose of the constant is to:

A: Constant is a value that will never change in equations. It is always constant.