What is the fairest way to take a representative sample from a population?
Which is the fairest way to take a representative sample form a population? ensuring that every subject in the population has an equal chance to be selected.
Can a well designed experiment be replicated by others?
Placebos are sometimes used in research in order to demonstrate the effects of participant expectations or beliefs on the outcome of behavior. A well-designed experiment can be replicated by others. Convenience sampling can produce biased research results.
How do you bamboozle someone?
Tips on how to bamboozle someone are very similar to the ones used to make effective presentations.
- Keep It Simple.
- Keep It Short.
- Avoid Details, Be Vague.
- Don’t Obsess Over Accuracy and Content.
- Repeat, Repeat, Repeat.
- Hammer Home Authority and Credibility.
- Tell People What They Want to Hear.
- Show Confidence.
What is the definition variable?
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
What is salubrious?
: favorable to or promoting health or well-being salubrious habits.vor 6 Tagen
What does vacillating mean?
intransitive verb. 1 : to waver in mind, will, or feeling : hesitate in choice of opinions or courses. 2a : to sway through lack of equilibrium. b : fluctuate, oscillate.
What are the levels of an independent variable?
If an experiment compares an experimental treatment with a control treatment, then the independent variable (type of treatment) has two levels: experimental and control. If an experiment were comparing five types of diets, then the independent variable (type of diet) would have 5 levels.
What does hoodwink mean?
transitive verb. 1 : to deceive by false appearance : dupe people who allow themselves to be hoodwinked by such promises. 2 archaic : blindfold.
What are the main types of variables?
There are six common variable types:
- DEPENDENT VARIABLES.
- INDEPENDENT VARIABLES.
- INTERVENING VARIABLES.
- MODERATOR VARIABLES.
- CONTROL VARIABLES.
- EXTRANEOUS VARIABLES.
What is a characteristic of an independent variable?
The independent variable (IV) is the characteristic of a psychology experiment that is manipulated or changed by researchers, not by other variables in the experiment. For example, in an experiment looking at the effects of studying on test scores, studying would be the independent variable.
What are the three characteristics of a well designed experiment?
Terms in this set (5)
- Repeatable. must be able to repeat experiment and attain the same results.
- Multiple Treatments. one treatment should be a control.
- Testable Variables. variables that can be manipulated, directly or indirectly, by the experimenter should be present.
- Control for variables not being tested for.
What is another word for Bamboozle?
SYNONYMS FOR bamboozle 1 gyp, dupe, trick, cheat, swindle, defraud, flimflam, hoax, gull, rook; delude, mislead, fool.
How old is the word bamboozle?
The word bamboozle allegedly comes from a French word, literally meaning “to make a baboon out of someone.” The word bamboozle first appeared in the language sometime around 1700.
What are independent variables in an experiment?
You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable.
Why is it called an independent variable?
Independent variables are variables that are manipulated or are changed by researchers and whose effects are measured and compared. The independent variables are called as such because independent variables predict or forecast the values of the dependent variable in the model.
Is bamboozled a bad word?
Like last week’s word, stooge, bamboozle – to fool or cheat someone – is not quite what it appears to be. Bamboozle first appeared in England around 1700; the OED says it may have been a thieves’ cant word like fake and phony.
What does bamboozled mean?
transitive verb. 1 : to deceive by underhanded methods : dupe, hoodwink I got bamboozled by the salesperson to buy a more expensive model. 2 : to confuse, frustrate, or throw off thoroughly or completely a quarterback bamboozled by an unexpected defense.
How do you Operationalise a variable?
How to operationalize concepts
- Identify the main concepts you are interested in studying.
- Choose a variable to represent each of the concepts.
- Select indicators for each of your variables.
What is another word for variable in math?
alterable, changeable, fluid, inconstant, mutable, uncertain, unsettled, unstable, unsteady, variant.
What are the purposes of an experiment is to determine whether the dependent variable affects the independent variable?
The purpose of the experiment is to observe the relationship between changes in the independent variable and changes in the dependent variable. If the dependent variable changes as a result of the changes in the independent variable then the researcher knows that the two variable has a relationship.
What is another name for variable?
What is another word for variable?