Practice exam1psych100b

Practice exam1psych100b - Dr. Hoek is interested in whether...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Dr. Hoek is interested in whether people read different types of material at different rates. Subjects are asked to read a humorous story, a mystery story, and a sad story. Each of the stories was written by a different author. The stories are presented in all six possible orders to an equal number of subjects. Dr. Hoek records the length of time it takes subjects to read the first 100 lines of each story. 1. The dependent variable in the study is a. Type of story read by each subject b. order in which the stories are presented c. length of time it takes for subjects to read the first 100 lines of each story d. subjects' reading comprehension 2. A confounding variable in this study is a. the type of story subjects are reading b. the authors of the stories c. the length of time it takes for subjects to read the first 100 lines of each story d. subjects' reading comprehension e. the order in which the stories are presented ------------------------------------------------------------------------------------------------------- 3. Which of the following accurately describe(s) an experiment with high internal validity? a. a study in which observers record the sharing behavior of preschool, elementary school, and high school children b. a study in which all variability in adults' pulse rate is shown to be due to variations in the type of films they have been shown by the experimenter c. a study in which all possible confounding variables have been controlled in some way within the experimental design d. a study that is conducted in a laboratory setting e. b and c above ---------------------------------------------------------------------------------------------------------
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Dr. Ford wants to study the effect of authority figures on people's job performance. He gathers a random sample of bricklayers from a construction site and has them all lay bricks, both alone and in the presence of a supervisor. Dr. Ford tosses a coin to determine whether each subject will do the task alone before or after doing it in front of a supervisor. Dr. Ford has the supervisor rate each subject's performance on a scale from 1(terrible) to 10(perfect). When the supervisor is not present, Dr. Ford rates the subjects using the same scale. 4. Dr. Ford should analyze this _________ using a ___________ a. nominal data ; t-test b. ratio data; one way ANOVA c. ratio data; dependent samples t-test d. interval data; dependent samples t-test e. interval data; independent samples t-test 5. The order in which the subjects participate in the conditions is: a. assigned randomly b. counterbalanced c. confounded with the conditions d. held constant e. matched with their ability 6. The person making the ratings is a. an extraneous variable that varies randomly b. the dependent variable c. irrelevant because a scale has been determined d. a variable that varies systematically with the independent variable e. none of the above -----------------------------------------------------------------------------------------------------------
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/15/2010 for the course PSYCHOLOGY 328305530 taught by Professor Firstenberg,i. during the Summer '10 term at UCLA.

Page1 / 9

Practice exam1psych100b - Dr. Hoek is interested in whether...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online