# Psy 290 module 7 final exam (2019)

Instructions

The Final will have 50 questions each worth 2 points. You will have 1 hour and 45 minutes to take the exam.

Assessment Instructions:

This assessment has fifty questions worth 2 points each for a total of 100 points.

Once you open this assessment, you must finish it in one sitting. If you exit the quiz, the timer WILL NOT stop. Click on

Save Answers periodically while you are working on the assessment to save your answers. Also, the quiz must be submitted by the due date and time.

Question 1

Calculate the median of the following scores: 30 6 50 22 10

Question 2

Which of the following statistical techniques evaluates the difference between the

means of two groups?

Question 3

In order to be more certain that a new treatment helps patients more so than patients

placed on a wait list, the experimenter sets the probability statistic at .01 instead of

.05. This decision could result in a(n)

Question 4

The data from a research study are categorized on a nominal scale and the total

response rate equals 100 percent. How would you graph these data?

Question 5

Calculate the mode of the following scores: 2, 5, 38, 38, 45

Question 6

A(n) _______ scale possesses a true zero point.

Question 7

Which of the following scales of measurement assigns events to categories?

Question 8

Why does the American Psychological Association encourage the addition of effect

size when reporting research findings?

Question 9

The correlation coefficient is a single number that represents the

. Question 10

Effect size is a measurement of the

Question 11

A method of assigning research participants to groups so that each participant has an

equal chance of being in any group is

Question 12

The belief that explanations of phenomena should remain simple until the simple

explanations are no longer valid refers to

Question 13

A researcher conducts an experiment with patients in a clinic. Group A is

randomized to receive the new experimental therapy. Group B is randomized to

receive treatment as usual, or TAU (the normal course of therapy for patients in the

clinic). The TAU group is

Question 14

Also known as

matched

or

paired

assignment, _________ is a method for

assigning research participants to groups so that there is a relationship

between small numbers of participants. These groups are then randomly

assigned to treatment conditions.

Question 15

In an experiment, the level that does not receive the independent variable is the

_______ group.

Question 16

Ensuring that you avoid needlessly complicating your research question is

exercising

Question 17

The blueprint for psychological experiments is called the

…

Question 50

To investigate the effects of a new medication on weight loss among obese patients

and protect for internal validity, a researcher could utilize

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