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because you should stop cheating and learn how to read ur dam psychology book urself

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Q: Why do researchers use random assignment?
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To minimize the extent to which outcome differences between experimental and control groups can be attributed to placebo effects researchers make use of?

random assignment of participants to groups, blinding both participants and researchers to group assignment, and including a control group that receives a placebo treatment or standard care.


How would someone equalize the intelligence of members of the experimental and the control group in a experiment?

One way to equalize the intelligence of members in the experimental and control groups is to use random assignment of participants to the groups. This can help ensure that any variability in intelligence is distributed evenly across the groups. Additionally, researchers can use matching techniques to pair participants in the two groups based on intelligence levels.


Why do you do random assignment and random sampling?

That's a random question


What do researchers use in an experiment to show that the results of the experiment are actually due to the condition being tested?

Researchers often use control groups in experiments to provide a baseline for comparison. By keeping all variables the same except for the one being tested, researchers can more confidently attribute any differences in outcomes to the condition being studied. Random assignment of participants to different conditions also helps to ensure that any observed effects are due to the intervention.


What type of research participant should researchers use for studies of cause-and -effect relationship?

random sample


What cannot be hand picked by a researcher?

random assignment


What is the difference between random assignment and random sampling?

Random sampling is the sample group of subjects that are selected by chance, without bias. Random assignment is when each subject of the sample has an equal chance of being in either the experimental or control group of an experiment.


What is the difference between random sampling and random assignment?

Random assignment: assigning participants to experimental and control conditions by chance Vs. Random sample: a sample that fairly represents a population because each member has an equal chance of being included You decide :-D


Why is random assignment important?

Groups have equal and balanced composition


The absence of random assignment in any study?

Allows for potential confounding


What is random assignment in science experiments?

There is no purpose. ZeeNOObster is wrong. An experimenter would use random assignment/placement is such a case that he/she may not have a large sample and wants to make sure that some attribute is evenly divided into the groups. example: some sort of study where IQ is of importance. To make sure that participants IQs are evenly distributed among the groups, the researcher would find out the participant's IQs and then randomly assign the top IQs to different groups, then moderate IQs and followed by low IQs. This is a simplistic way of looking at random placement


Why is the random assignment of individuals to experimental and control groups important for an experiment?

Without random assignment there is a danger of systematic error - or bias - entering into the results. Statistical theory depends on the errors being random and independent error and that is no longer the case without random assignment. In fact, statistical experiments are often "double-blind": even the observer does not know which individual is in which group. This is to prevent unconscious or subconscious messages to affect the outcome (placebo effects).