shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

What is the primary advantage of using a laboratory experiment in psychology?

A lab experiment is like cooking in your own kitchen?you can control the ingredients and the tools. The researcher can control everything, so they know what caused the outcome.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

Which of the following is a potential problem with using a convenience sample in experimental research?

A convenience sample is like asking only your friends to take a survey about what people like to eat. It might not represent the whole population, so the results could be biased.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

What type of validity is concerned with whether an experiment truly measures what it claims to measure?

Construct validity is like checking whether a thermometer really measures temperature, not something else. It asks if the tool or experiment is really measuring the concept it's supposed to.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

A researcher measures both heart rate and reaction time to study the effects of stress. Heart rate and reaction time are examples of what?

The dependent variables are what the researcher measures to see the effects of stress, like watching how a plant grows when you change the water amount. They show the outcome of the experiment.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

What is the main purpose of random assignment in experimental research?

Random assignment is like shuffling cards to make sure no one knows who will be in which group. It ensures that any differences in results are due to the experiment and not to the participants? personal traits.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

What is the main disadvantage of a within-subjects design compared to a between-subjects design?

In a within-subjects design, the same people do multiple tasks, which can tire them out, just like how running too many laps makes you slower as you go. The more they do, the more tired they get, which could affect the results.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

Which type of experimental design involves using the same participants in all conditions of the experiment?

In a repeated measures design, it's like letting each person try out all the different parts of the experiment so you can compare how they do under each condition. This way, every participant is their own comparison.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

In a double-blind experiment, who is unaware of which participants belong to the control group and which belong to the experimental group?

A double-blind experiment is like a secret game where neither the people participating nor the ones running the experiment know who gets the real treatment. This helps avoid bias.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

What term describes the tendency for participants to behave differently when they know they are being observed?

The Hawthorne effect is like when people try extra hard because they know someone?s watching them, just like how kids might clean their room faster when their parents are looking.
shahzaib hassan PSYCHOLOGY   -   Experimental Psychology

In an experiment, the variable that is manipulated by the researcher to observe its effect is called what?

The independent variable is like the "ingredient" the researcher changes to see what happens. It?s the thing that is deliberately changed to see how it affects something else.

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