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What research method can best establish a cause and effect relationship?
An experimental research method can best establish a cause and effect relationship. By manipulating an independent variable and observing its effect on a dependent variable while controlling for other variables, researchers can determine a causal relationship between the variables. Random assignment of participants to different conditions helps minimize bias and increase internal validity.
What are the diffrenses between independent and dependent variables?
Independent Variables: what is being manipulatedDependent Variables: what is the outcome of the manipulationFor example:A researcher wants to see if listening to classical music as a child affects intelligence for later in life.IV: Types of music; ClassicalDV: intelligence
Is it normal for a women to start her period a week later after having intercourse?
Yes, this is normal. Intercourse doesn't effect menstruation at all so it has no relation to your period, when your period starts is dependent on your menstrual cycle - sex doesn't effect this.
What is the term for a space of memory used to store information for later use?
A variable
Is a variable a thing that can change?
A variable change such as ice melting into water, which can be frozen again into ice later on is called a physical change. while a permanent change such as growing of a tree is called a chemical change
Does massage therapy effect your health later?
no
What effect did it have on later civilizations in ancient china?
nose
A nurse researcher wants to study the effects of yoga on blood pressure in hypertensive adults What is the independent variable What is the dependent variable What extraneous variables might exist?
The independent variable is yoga, and you might have various [experimental] groups that do the yoga differently from each other. The dependent variable is blood pressure. You would want to make sure that the different groups are as similar as possible in make-up so that any differences in blood pressure can be attributed to the yoga and not to something else. If one group is made up of 18 year old athletes and another group is made up of 60 year olds with a history of hypertension, you can see that differences between the groups could not clearly be attributed to differences in their experimental yoga practice. You could balance the groups in a few different ways. Maybe you could assign people to groups randomly from a large selection of people in the 'target' population. Or you could deliberately select persons for each group in a kind of 1 X 1 correspondence, based on specific characteristics that you want to match as closely as possible. You might want one or more control groups as well, to account for the placebo effect or other extraneous effects. A control group could come in, for example, and have all the same bp checks as the experimental groups, but perhaps get presentations on various topics; maybe they could be asked to come in for a pb check, be allowed to leave, and then return for a second check 1.5 hours later. There are various ways to do it.
How do you use variables in a MySQL query?
You can now assign a value returned by a SELECT operation to a variable and refer to it later in your MySQL session, as with MySQL 3.23. 6. Wherever an expression is allowed, such as in a WHERE clause or an INSERT statement, the variable can be utilised in later queries. To learn more about data science please visit- Learnbay.co
What are the differences of a constant and a variable?
A constant has only the exact value it's declared and can never be changed. A variable can have any number of values assigned. In programming, a variable can be given a value later in the code but can only be changed during runtime if its been declared as a pointer.
What is string variables?
A string variable is a programming language construct that holds text. For example, the text "The sky is blue" could be stored to a string variable, then later in the program, that text could be displayed.
Who found that some viruses have an RNA-dependent DNA polymerase that was later named reverse transcriptions?
Howard Temin
