In order to study the productivity of workers in an industry, 10 workers were selected and their scores on aptitude test and the productivity indices were compiled. From these details, estimate the...

What are the strengths and weaknesses of alternative forms reliability?

What are the major issues involved in creating items and response scales to use in measuring a construct?

round to four decimal places if needed.   Help me pleaseeeeeeeeeeeeeeeee

A power analysis was carried out using G*Power. A power of .90 is generally considered acceptable (Anderson, 2004), a medium effect size of .5 was used (Sullivan and Fein, 2015) while an Alpha of...

Determine Whether the situation calls for a survey, an observational study or an experiment explain your answer.    You want to test a drug that reduces blood pressure levels&nb...

Just finished a regression determination with the line equation and R square value. From this data how are the regression predicted values of the x variable determined.

where each question was given with a score scale from 1-5, ,and this questionnaire was given to 120 people to answer by giving 1 to 5 score for each question.,now my work is to total the 16 question...

“Step 1:  Only look at employees that have taken 10 or more test Step 2: Count how many of these employees that have taken 10 or more tests and have a score below 75% (75% is okay, it...