samples
a subset of individuals or items chosen from a larger population in a way that ensures every member has an equal chance of selection
Random Sample
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Experiment
Is a technique in which a subjects do not know whether they recevied a treatment or a placebo
blinding
the group that gets the vaccine
treatment
Who was the first president
George Washington
is a method of sampling from a population which can be partitioned into subpopulations.
Stratified Sample
a research method where investigators observe outcomes in a natural setting without intervening or manipulating variables, making it impossible to establish definitive cause-and-effect relationships.
Observational study
the process of assigning participants in a study to different groups by chance, ensuring that neither the researcher nor the participant chooses the assignment.
Randomization
the group that doesn't take a pill that is to get rid stomach pain
control
what is the tip of the shoe lace called
aglents
is a sampling plan used when mutually homogeneous yet internally heterogeneous groupings are evident in a statistical population. It is often used in marketing research.
Cluster Sample
process to analyze its behavior, predict outcomes, or provide practice in a safe, controlled environment.
Simulation
the process of creating a copy or duplicate of something
Replication
the group that take the shot for treating an illness
treatment
what percent of the earth is saltwater
97%
is a statistical method involving the selection of elements from an ordered sampling frame.
Systemic Sample
a method for gathering specific information or opinions from a sample of people by asking a set of questions
Survey
is the procedure of systematically acquiring, recording, and calculating information about the members of a given population, which are then usually displayed through statistics.
Census
their are two group one that use the shampoo provided and the other uses their normal product. what is the group usinf the shampoo.
the Treatment group
How many letters are in the longest English word
189,819
is a type of non-probability sampling that involves the sample being drawn from that part of the population that is close to hand.
Convenience Sample
occurs in research when a third variable, known as a confounder, distorts the relationship between an exposure and an outcome, making it seem like there's a direct link when there isn't, or masking a real one
Confounding Variable
the group receives the intervention or treatment being studied and a group does not receive the treatment but serves as a baseline for comparison.
Treatment and control group.
what group use the a pill during an experiment to see if this pill help reduse brain fog.
treatment
is water wet?
Water might not be wet. This is because most scientists define wetness as a liquid’s ability to maintain contact with a solid surface, meaning that water itself is not wet, but can make other objects wet.