PSYC 210 Poll Questions with 100 Verified Correct

PSYC 210 Poll Questions with 100% Verified Correct Answers 2024 The research method used to demonstrate that one variable causes changes in a dependent variable

is called the:

• experimental method
• quasi-experimental method
• correlational method
• investigative method - Correct Answer Experimental Method

A researcher summarizes a set of data by describing the score that occurred most often. What type of statistics did the researcher use to summarize these data?

• descriptive
• inferential
• analytical
• professional - Correct Answer Descriptive

A researcher conducts an experiment to determine whether moderate doses of St. Johns Wort have any effect of memory for college students. For this study, what is the independent variable?

• the amount of St. Johns Wort given to each participant
• the memory score for each participant
• the group of college students
• cannot answer without more information - Correct Answer the amount of St. Johns Wort given to

each participant A researcher measures the number of hours spent studying among students living on-campus and off-campus at a local college. In this study, location (on-campus, off-campus) is the ___ and hours spent studying is the ___.

• independent variable; dependent variable
• dependent variable; independent variable
• quasi-independent variable; dependent variable
• dependent variable; quasi-independent variable - Correct Answer quasi-independent variable;

dependent variable 1 / 2

A researcher selects a ___ and uses inferential statistics to draw conclusions about the larger ___.

• sample; statistic
• parameter; population
• population; sample
• sample; population - Correct Answer sample; population

A researcher records the number of times a person repeats a compulsive behavior. What type of data was measured?

• qualitative
• quantitative
• nominal
• ordinal - Correct Answer Quantitative

An interval scale

• has no true zero
• is distributed on an equidistant scale
• is the most informative scale of measurement
• both a and b - Correct Answer both a and b; remember that an interval scale is like a likert scale

A researcher records the family relationship (brother, son, father, cousin, etc.) of the people who stay in regular contact with loved ones in a nursing home. What type of measure is family relationship?

• quantitative and discrete
• qualitative and discrete
• qualitative and continuous
• quantitative and continuous - Correct Answer Qualitative and Discrete

As a general rule, when the number of intervals needed to summarize a data set is smaller than ___, we can leave the data ungrouped.

• 5
• 15
• 20
• The data should never be grouped. - Correct Answer 5
• / 2