Selected statistics Questions due in 12 hours

New Assignment - PSY 480

INSTRUCTIONS: Please, answer the following question(s)

1.14, 1.18, 1.36, 2.28, 2.38, 3.33, and 3.46

1.14 The following statements are wrong but can be cor­ rected by substituting one word or phrase. (See the instructions in Exercise 1.13.) Identify the incorrect word or phrase in each of the following statements and supply th e correct word.

a. A researcher examined the effect of the ordinal variable "gender" on the scale variable "hours of reality television watched per week ."

b. A psychologist used a between-groups design to study the effects of an independent var iable (a workout video) on the dependent variable (the weight) of a group of undergraduate students before and after viewing the video.

c. In a study on the effects of the confounding vari­ able of noise level on the dependent variable of memory, researchers were concerned that the memory measure was not valid.

d. A researcher studied a population of 20 rats to determine whether changes in exposure to light would lead to changes in the dependent variable of amount of sleep.