Question

Q1What is the primary advantage of longitudinal studies?

1. track changes over time.
2. provide a snapshot of one point in time
3. provide unbiased views of a topic
4. allow control over variables of interest

Q2 Movie critics rate movies using a system such that one star means good, two stars means very good, three stars means excellent, and four stars means extraordinary. This is a type of _____ scale.

Q3 When the response options to a question are yes or no, the scale is called a(n) _____ scale.

1. Dichotomous
2. Continuous
3. Multidimensional
4. Balanced

Q4 About a scale (set of questions) it can be said that the__________________indicates how well the measure taps the concept as theorized. Which word is missing?

1. Content validity.
2. Construct validity.
3. Criterion-related validity.
4. Stability

Q5 What type of data is county population?

1. ratio
2. interval
3. nominal
4. Ordinal
   

Q2 Which of the following is true of focus group interviews?

1. typically made up of 3-5 participants
2. led by a group leader who is chosen by the participants
3. meet for 90 minutes to 2 hours
4. provide quantitative data

Answer 1

1. The primary advantage of longitudinal studies is that it allows us to track changes over time. In longitudinal studies, individuals are assessed over long periods of time on the same construct. Thus, they allow the researcher to see any changes in the construct.

2. This is a type of likert scale. Likert scales are five point or seven point scales ranging from the lowest to the highest extremeity.

3. A dichotomous scale. Dichotomous scales employ to answer options which are usually Yes or No.

4. Construct validity. It refers to the degree to which a test measures the construct that it claims to measure.