Robert V. Krejcie’s research while affiliated with University of Minnesota, Duluth and other places

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Publications (6)


“Determining Sample Size for Research Activities تحديد حجم العينة للأنشطة البحثية
  • Data
  • File available

October 2024

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116 Reads

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ROBERT V. KREJCIE

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DARYLE W. MORGAN

“Determining Sample Size for Research Activities "تحديد حجم العينة للأنشطة البحثية" Sample sizes for various populations of size 10 to 500 million أحجام العينات لمختلف المجموعات السكانية التي يتراوح حجمها من 10 إلى 500 مليون

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The Relative Effect of Selected Practices and Media Upon Student Enrollment in Industrial-Technical and Engineering Technician Programs at the Junior College Level

January 1968

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13 Reads

The purposes of this study were to ascertain those practices and media that induced students to enroll in technician programs, to identify practices and media used by junior colleges to promote enrollment, and to determine the relationships between effective and ineffective practices and media. Data were collected from 79 junior colleges which composed a national sample selected on a proportional basis. These data included information gathered from the chief administrators and 757 first year students at these colleges. Findings were: (1) Counselors and teachers have a relatively high influence on these enrollment decisions, (2) Such decisions are generally made in grades 11 and 12, (3) Radio and television announcements are not used extensively nor are they a major influence, (4) Written media appears to have greater influence than picture media, (5) College catalogs and program descriptions are the most used and influential written media, (6) Student responses indicate college catalogs as the major influences twice as often as administrator responses indicated them as productive, (7) 3 percent of the students are influenced by advertising in college newspapers, and (8) Descriptions of employment and career opportunities are influential despite their source. (EM)



Safety at Minnesota

7 Reads

Sumario: An in-service program sustains accident awareness and promotes positive attitudes. This article treats: the old safety program; a new approach; on- and off-the-job safety; employee input; attitude development; topic areas and instructors

Citations (3)


... The study focused on children under five years old across 31 regions of Tanzania, using data from households nationwide. According to the 2022 Sensa Report, Tanzania has 14,297,184 households, and based on Krejcie and Morgan's (1970) formula, a minimum sample of 385 households ensures a 95% confidence level. However, this study utilised pre-collected data with 10,782 household representatives, which, after data cleaning, resulted in 2,034 valid entries. ...

Reference:

Determinants of Childhood Vaccination Uptake: A Machine Learning Approach Using a Decision Tree Classifier
Educational and Psychological Measurement
  • Citing Article

... According to this classification, SME Corp Malaysia reports that there are 58,721 manufacturing SMEs in the country. Using Krejcie and Morgan's [129] sample size determination table, a sample size of 381 respondents was deemed appropriate. This method is widely recognized and frequently utilized by researchers for determining adequate sample sizes. ...

Sample Size for Research Activities
  • Citing Article
  • November 1969

Educational and Psychological Measurement

... The statistical population of the study included faculty members from agricultural departments of public universities in Iran (N=3335). Using the Krejcie and Morgan sampling table (Krejcie and Morgan, 1970), 345 individuals were selected as a sample. Ultimately, 307 completed questionnaires were returned, resulting in a response rate of approximately 89%. ...

Determining Sample Size for Research Activities
  • Citing Article
  • September 1970

Educational and Psychological Measurement