shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

Which of the following is an advantage of using a within-subjects design in experiments?

A within-subjects design is like testing the same person under different conditions. Since you?re using the same people for all parts of the experiment, you don?t need as many participants.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

Which measure of central tendency is most affected by extreme scores?

The mean is like finding the average height in a room. If one person is extremely tall, it pulls the average up. That?s why the mean can be influenced by extreme values.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

A Type I error occurs when:

A Type I error is like thinking you heard a knock on the door when nobody is actually there. You think something happened when it didn?t.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

What does the term "operational definition" mean in the context of psychological research?

An operational definition is like giving clear instructions on how to measure something. If you're studying happiness, you might define it by how many times someone smiles in a day.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

In psychological research, what does "external validity" refer to?

External validity is like seeing if the results from one group of people can be applied to other groups, like using results from one school to predict what will happen in other schools.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

What is the purpose of random assignment in experimental research?

Random assignment is like flipping a coin to decide who gets which treatment in an experiment. It helps make sure other factors don?t mess up the results.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

Which statistical test is most appropriate for analyzing the difference between the means of two independent groups?

A t-test is like comparing two different flavors of ice cream to see if one is really more popular than the other. You?re comparing two independent groups to find out if they are different.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

Which of the following is an example of a nominal scale of measurement?

A nominal scale is like putting things into categories. For example, people can be sorted by gender, but there?s no ranking or order to it.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

What is the key difference between content validity and construct validity?

Content validity is like checking if you asked enough questions about all parts of a topic. Construct validity checks if you?re really measuring what you say you are.
shahzaib hassan PSYCHOLOGY   -   Psychology Measurement & Methodology

Which of the following is the most appropriate definition of reliability in psychological measurement?

Reliability is like using a ruler to measure the same thing multiple times. If you get the same result each time, the ruler is reliable because it gives consistent results.

PSYCHOLOGY